20177164820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14209271}}^1$

素因数の和:14209351

約数の個数: 24

約数和(自身を含む): 42968838528

約数和(自身を除く): 22791673708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14209271, 28418542, 56837084, 71046355, 142092710, 284185420, 1008858241, 2017716482, 4035432964, 5044291205, 10088582410, 20177164820]

約数ペア:

[(1, 20177164820), (2, 10088582410), (4, 5044291205), (5, 4035432964), (10, 2017716482), (20, 1008858241), (71, 284185420), (142, 142092710), (284, 71046355), (355, 56837084), (710, 28418542), (1420, 14209271)]