20066655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 16834209

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 857, 1115, 1561, 2571, 3345, 4285, 4683, 5999, 7805, 12855, 17997, 23415, 29995, 89985, 191111, 573333, 955555, 1337777, 2866665, 4013331, 6688885, 20066655]

約数ペア:

[(1, 20066655), (3, 6688885), (5, 4013331), (7, 2866665), (15, 1337777), (21, 955555), (35, 573333), (105, 191111), (223, 89985), (669, 29995), (857, 23415), (1115, 17997), (1561, 12855), (2571, 7805), (3345, 5999), (4285, 4683)]