20414550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 59527440

約数和(自身を除く): 39112890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 29, 30, 38, 39, 50, 57, 58, 65, 75, 78, 87, 95, 114, 130, 145, 150, 174, 190, 195, 247, 285, 290, 325, 361, 377, 390, 435, 475, 494, 551, 570, 650, 722, 725, 741, 754, 870, 950, 975, 1083, 1102, 1131, 1235, 1425, 1450, 1482, 1653, 1805, 1885, 1950, 2166, 2175, 2262, 2470, 2755, 2850, 3306, 3610, 3705, 3770, 4350, 4693, 5415, 5510, 5655, 6175, 7163, 7410, 8265, 9025, 9386, 9425, 10469, 10830, 11310, 12350, 13775, 14079, 14326, 16530, 18050, 18525, 18850, 20938, 21489, 23465, 27075, 27550, 28158, 28275, 31407, 35815, 37050, 41325, 42978, 46930, 52345, 54150, 56550, 62814, 70395, 71630, 82650, 104690, 107445, 117325, 136097, 140790, 157035, 179075, 214890, 234650, 261725, 272194, 314070, 351975, 358150, 408291, 523450, 537225, 680485, 703950, 785175, 816582, 1074450, 1360970, 1570350, 2041455, 3402425, 4082910, 6804850, 10207275, 20414550]

約数ペア:

[(1, 20414550), (2, 10207275), (3, 6804850), (5, 4082910), (6, 3402425), (10, 2041455), (13, 1570350), (15, 1360970), (19, 1074450), (25, 816582), (26, 785175), (29, 703950), (30, 680485), (38, 537225), (39, 523450), (50, 408291), (57, 358150), (58, 351975), (65, 314070), (75, 272194), (78, 261725), (87, 234650), (95, 214890), (114, 179075), (130, 157035), (145, 140790), (150, 136097), (174, 117325), (190, 107445), (195, 104690), (247, 82650), (285, 71630), (290, 70395), (325, 62814), (361, 56550), (377, 54150), (390, 52345), (435, 46930), (475, 42978), (494, 41325), (551, 37050), (570, 35815), (650, 31407), (722, 28275), (725, 28158), (741, 27550), (754, 27075), (870, 23465), (950, 21489), (975, 20938), (1083, 18850), (1102, 18525), (1131, 18050), (1235, 16530), (1425, 14326), (1450, 14079), (1482, 13775), (1653, 12350), (1805, 11310), (1885, 10830), (1950, 10469), (2166, 9425), (2175, 9386), (2262, 9025), (2470, 8265), (2755, 7410), (2850, 7163), (3306, 6175), (3610, 5655), (3705, 5510), (3770, 5415), (4350, 4693)]