20218165240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1033}}^1$

素因数の和:1366

約数の個数: 256

約数和(自身を含む): 59201049600

約数和(自身を除く): 38982884360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 283, 364, 380, 455, 494, 520, 532, 566, 665, 728, 760, 910, 988, 1033, 1064, 1132, 1235, 1330, 1415, 1729, 1820, 1976, 1981, 2066, 2264, 2470, 2660, 2830, 3458, 3640, 3679, 3962, 4132, 4940, 5165, 5320, 5377, 5660, 6916, 7231, 7358, 7924, 8264, 8645, 9880, 9905, 10330, 10754, 11320, 13429, 13832, 14462, 14716, 15848, 17290, 18395, 19627, 19810, 20660, 21508, 25753, 26858, 26885, 28924, 29432, 34580, 36155, 36790, 37639, 39254, 39620, 41320, 43016, 51506, 53716, 53770, 57848, 67145, 69160, 69901, 72310, 73580, 75278, 78508, 79240, 94003, 98135, 103012, 107432, 107540, 128765, 134290, 137389, 139802, 144620, 147160, 150556, 157016, 188006, 188195, 196270, 206024, 215080, 255151, 257530, 268580, 274778, 279604, 289240, 292339, 301112, 349505, 376012, 376390, 392540, 470015, 489307, 510302, 515060, 537160, 549556, 559208, 584678, 686945, 699010, 752024, 752780, 785080, 940030, 978614, 1020604, 1030120, 1099112, 1169356, 1275755, 1373890, 1398020, 1461695, 1505560, 1786057, 1880060, 1957228, 2041208, 2046373, 2338712, 2446535, 2551510, 2747780, 2796040, 2923390, 3572114, 3760120, 3800407, 3914456, 4092746, 4893070, 5103020, 5495560, 5554441, 5846780, 7144228, 7600814, 8185492, 8930285, 9786140, 10206040, 10231865, 11108882, 11693560, 14288456, 15201628, 16370984, 17860570, 19002035, 19572280, 20463730, 22217764, 26602849, 27772205, 30403256, 35721140, 38004070, 38881087, 40927460, 44435528, 53205698, 55544410, 71442280, 72207733, 76008140, 77762174, 81854920, 106411396, 111088820, 133014245, 144415466, 152016280, 155524348, 194405435, 212822792, 222177640, 266028490, 288830932, 311048696, 361038665, 388810870, 505454131, 532056980, 577661864, 722077330, 777621740, 1010908262, 1064113960, 1444154660, 1555243480, 2021816524, 2527270655, 2888309320, 4043633048, 5054541310, 10109082620, 20218165240]

約数ペア:

[(1, 20218165240), (2, 10109082620), (4, 5054541310), (5, 4043633048), (7, 2888309320), (8, 2527270655), (10, 2021816524), (13, 1555243480), (14, 1444154660), (19, 1064113960), (20, 1010908262), (26, 777621740), (28, 722077330), (35, 577661864), (38, 532056980), (40, 505454131), (52, 388810870), (56, 361038665), (65, 311048696), (70, 288830932), (76, 266028490), (91, 222177640), (95, 212822792), (104, 194405435), (130, 155524348), (133, 152016280), (140, 144415466), (152, 133014245), (182, 111088820), (190, 106411396), (247, 81854920), (260, 77762174), (266, 76008140), (280, 72207733), (283, 71442280), (364, 55544410), (380, 53205698), (455, 44435528), (494, 40927460), (520, 38881087), (532, 38004070), (566, 35721140), (665, 30403256), (728, 27772205), (760, 26602849), (910, 22217764), (988, 20463730), (1033, 19572280), (1064, 19002035), (1132, 17860570), (1235, 16370984), (1330, 15201628), (1415, 14288456), (1729, 11693560), (1820, 11108882), (1976, 10231865), (1981, 10206040), (2066, 9786140), (2264, 8930285), (2470, 8185492), (2660, 7600814), (2830, 7144228), (3458, 5846780), (3640, 5554441), (3679, 5495560), (3962, 5103020), (4132, 4893070), (4940, 4092746), (5165, 3914456), (5320, 3800407), (5377, 3760120), (5660, 3572114), (6916, 2923390), (7231, 2796040), (7358, 2747780), (7924, 2551510), (8264, 2446535), (8645, 2338712), (9880, 2046373), (9905, 2041208), (10330, 1957228), (10754, 1880060), (11320, 1786057), (13429, 1505560), (13832, 1461695), (14462, 1398020), (14716, 1373890), (15848, 1275755), (17290, 1169356), (18395, 1099112), (19627, 1030120), (19810, 1020604), (20660, 978614), (21508, 940030), (25753, 785080), (26858, 752780), (26885, 752024), (28924, 699010), (29432, 686945), (34580, 584678), (36155, 559208), (36790, 549556), (37639, 537160), (39254, 515060), (39620, 510302), (41320, 489307), (43016, 470015), (51506, 392540), (53716, 376390), (53770, 376012), (57848, 349505), (67145, 301112), (69160, 292339), (69901, 289240), (72310, 279604), (73580, 274778), (75278, 268580), (78508, 257530), (79240, 255151), (94003, 215080), (98135, 206024), (103012, 196270), (107432, 188195), (107540, 188006), (128765, 157016), (134290, 150556), (137389, 147160), (139802, 144620)]