20988531855

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{120551}}^1$

素因数の和:120688

約数の個数: 48

約数和(自身を含む): 37574611776

約数和(自身を除く): 16586079921

約数列:

[1, 3, 5, 9, 15, 45, 53, 73, 159, 219, 265, 365, 477, 657, 795, 1095, 2385, 3285, 3869, 11607, 19345, 34821, 58035, 120551, 174105, 361653, 602755, 1084959, 1808265, 5424795, 6389203, 8800223, 19167609, 26400669, 31946015, 44001115, 57502827, 79202007, 95838045, 132003345, 287514135, 396010035, 466411819, 1399235457, 2332059095, 4197706371, 6996177285, 20988531855]

約数ペア:

[(1, 20988531855), (3, 6996177285), (5, 4197706371), (9, 2332059095), (15, 1399235457), (45, 466411819), (53, 396010035), (73, 287514135), (159, 132003345), (219, 95838045), (265, 79202007), (365, 57502827), (477, 44001115), (657, 31946015), (795, 26400669), (1095, 19167609), (2385, 8800223), (3285, 6389203), (3869, 5424795), (11607, 1808265), (19345, 1084959), (34821, 602755), (58035, 361653), (120551, 174105)]