20101985120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{4513}}^1$

素因数の和:4673

約数の個数: 192

約数和(自身を含む): 56184782976

約数和(自身を除く): 36082797856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 97, 112, 140, 160, 164, 194, 205, 224, 280, 287, 328, 388, 410, 485, 560, 574, 656, 679, 776, 820, 970, 1120, 1148, 1312, 1358, 1435, 1552, 1640, 1940, 2296, 2716, 2870, 3104, 3280, 3395, 3880, 3977, 4513, 4592, 5432, 5740, 6560, 6790, 7760, 7954, 9026, 9184, 10864, 11480, 13580, 15520, 15908, 18052, 19885, 21728, 22565, 22960, 27160, 27839, 31591, 31816, 36104, 39770, 45130, 45920, 54320, 55678, 63182, 63632, 72208, 79540, 90260, 108640, 111356, 126364, 127264, 139195, 144416, 157955, 159080, 180520, 185033, 222712, 252728, 278390, 315910, 318160, 361040, 370066, 437761, 445424, 505456, 556780, 631820, 636320, 722080, 740132, 875522, 890848, 925165, 1010912, 1113560, 1263640, 1295231, 1480264, 1751044, 1850330, 2188805, 2227120, 2527280, 2590462, 2960528, 3064327, 3502088, 3700660, 4377610, 4454240, 5054560, 5180924, 5921056, 6128654, 6476155, 7004176, 7401320, 8755220, 10361848, 12257308, 12952310, 14008352, 14802640, 15321635, 17510440, 17948201, 20723696, 24514616, 25904620, 29605280, 30643270, 35020880, 35896402, 41447392, 49029232, 51809240, 61286540, 70041760, 71792804, 89741005, 98058464, 103618480, 122573080, 125637407, 143585608, 179482010, 207236960, 245146160, 251274814, 287171216, 358964020, 490292320, 502549628, 574342432, 628187035, 717928040, 1005099256, 1256374070, 1435856080, 2010198512, 2512748140, 2871712160, 4020397024, 5025496280, 10050992560, 20101985120]

約数ペア:

[(1, 20101985120), (2, 10050992560), (4, 5025496280), (5, 4020397024), (7, 2871712160), (8, 2512748140), (10, 2010198512), (14, 1435856080), (16, 1256374070), (20, 1005099256), (28, 717928040), (32, 628187035), (35, 574342432), (40, 502549628), (41, 490292320), (56, 358964020), (70, 287171216), (80, 251274814), (82, 245146160), (97, 207236960), (112, 179482010), (140, 143585608), (160, 125637407), (164, 122573080), (194, 103618480), (205, 98058464), (224, 89741005), (280, 71792804), (287, 70041760), (328, 61286540), (388, 51809240), (410, 49029232), (485, 41447392), (560, 35896402), (574, 35020880), (656, 30643270), (679, 29605280), (776, 25904620), (820, 24514616), (970, 20723696), (1120, 17948201), (1148, 17510440), (1312, 15321635), (1358, 14802640), (1435, 14008352), (1552, 12952310), (1640, 12257308), (1940, 10361848), (2296, 8755220), (2716, 7401320), (2870, 7004176), (3104, 6476155), (3280, 6128654), (3395, 5921056), (3880, 5180924), (3977, 5054560), (4513, 4454240), (4592, 4377610), (5432, 3700660), (5740, 3502088), (6560, 3064327), (6790, 2960528), (7760, 2590462), (7954, 2527280), (9026, 2227120), (9184, 2188805), (10864, 1850330), (11480, 1751044), (13580, 1480264), (15520, 1295231), (15908, 1263640), (18052, 1113560), (19885, 1010912), (21728, 925165), (22565, 890848), (22960, 875522), (27160, 740132), (27839, 722080), (31591, 636320), (31816, 631820), (36104, 556780), (39770, 505456), (45130, 445424), (45920, 437761), (54320, 370066), (55678, 361040), (63182, 318160), (63632, 315910), (72208, 278390), (79540, 252728), (90260, 222712), (108640, 185033), (111356, 180520), (126364, 159080), (127264, 157955), (139195, 144416)]