20066840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17299}}^1$

素因数の和:17339

約数の個数: 32

約数和(自身を含む): 46710000

約数和(自身を除く): 26643160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17299, 34598, 69196, 86495, 138392, 172990, 345980, 501671, 691960, 1003342, 2006684, 2508355, 4013368, 5016710, 10033420, 20066840]

約数ペア:

[(1, 20066840), (2, 10033420), (4, 5016710), (5, 4013368), (8, 2508355), (10, 2006684), (20, 1003342), (29, 691960), (40, 501671), (58, 345980), (116, 172990), (145, 138392), (232, 86495), (290, 69196), (580, 34598), (1160, 17299)]