20796870420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{44939}}^1$

素因数の和:45814

約数の個数: 96

約数和(自身を含む): 64778313600

約数和(自身を除く): 43981443180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 857, 1714, 2571, 3428, 4285, 5142, 7713, 8570, 10284, 12855, 15426, 17140, 23139, 25710, 30852, 38565, 44939, 46278, 51420, 77130, 89878, 92556, 115695, 134817, 154260, 179756, 224695, 231390, 269634, 404451, 449390, 462780, 539268, 674085, 808902, 898780, 1213353, 1348170, 1617804, 2022255, 2426706, 2696340, 4044510, 4853412, 6066765, 8089020, 12133530, 24267060, 38512723, 77025446, 115538169, 154050892, 192563615, 231076338, 346614507, 385127230, 462152676, 577690845, 693229014, 770254460, 1039843521, 1155381690, 1386458028, 1733072535, 2079687042, 2310763380, 3466145070, 4159374084, 5199217605, 6932290140, 10398435210, 20796870420]

約数ペア:

[(1, 20796870420), (2, 10398435210), (3, 6932290140), (4, 5199217605), (5, 4159374084), (6, 3466145070), (9, 2310763380), (10, 2079687042), (12, 1733072535), (15, 1386458028), (18, 1155381690), (20, 1039843521), (27, 770254460), (30, 693229014), (36, 577690845), (45, 462152676), (54, 385127230), (60, 346614507), (90, 231076338), (108, 192563615), (135, 154050892), (180, 115538169), (270, 77025446), (540, 38512723), (857, 24267060), (1714, 12133530), (2571, 8089020), (3428, 6066765), (4285, 4853412), (5142, 4044510), (7713, 2696340), (8570, 2426706), (10284, 2022255), (12855, 1617804), (15426, 1348170), (17140, 1213353), (23139, 898780), (25710, 808902), (30852, 674085), (38565, 539268), (44939, 462780), (46278, 449390), (51420, 404451), (77130, 269634), (89878, 231390), (92556, 224695), (115695, 179756), (134817, 154260)]