20163687210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{3571}}^1\times {\mathrm{6971}}^1$

素因数の和:10561

約数の個数: 80

約数和(自身を含む): 54240877152

約数和(自身を除く): 34077189942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 3571, 6971, 7142, 10713, 13942, 17855, 20913, 21426, 32139, 34855, 35710, 41826, 53565, 62739, 64278, 69710, 96417, 104565, 107130, 125478, 160695, 188217, 192834, 209130, 289251, 313695, 321390, 376434, 482085, 564651, 578502, 627390, 941085, 964170, 1129302, 1446255, 1882170, 2823255, 2892510, 5646510, 24893441, 49786882, 74680323, 124467205, 149360646, 224040969, 248934410, 373401615, 448081938, 672122907, 746803230, 1120204845, 1344245814, 2016368721, 2240409690, 3360614535, 4032737442, 6721229070, 10081843605, 20163687210]

約数ペア:

[(1, 20163687210), (2, 10081843605), (3, 6721229070), (5, 4032737442), (6, 3360614535), (9, 2240409690), (10, 2016368721), (15, 1344245814), (18, 1120204845), (27, 746803230), (30, 672122907), (45, 448081938), (54, 373401615), (81, 248934410), (90, 224040969), (135, 149360646), (162, 124467205), (270, 74680323), (405, 49786882), (810, 24893441), (3571, 5646510), (6971, 2892510), (7142, 2823255), (10713, 1882170), (13942, 1446255), (17855, 1129302), (20913, 964170), (21426, 941085), (32139, 627390), (34855, 578502), (35710, 564651), (41826, 482085), (53565, 376434), (62739, 321390), (64278, 313695), (69710, 289251), (96417, 209130), (104565, 192834), (107130, 188217), (125478, 160695)]