20172429820

素因数分解:

$2^2\times 5^1\times {\mathrm{7321}}^1\times {\mathrm{137771}}^1$

素因数の和:145101

約数の個数: 24

約数和(自身を含む): 42368196528

約数和(自身を除く): 22195766708

約数列:

[1, 2, 4, 5, 10, 20, 7321, 14642, 29284, 36605, 73210, 137771, 146420, 275542, 551084, 688855, 1377710, 2755420, 1008621491, 2017242982, 4034485964, 5043107455, 10086214910, 20172429820]

約数ペア:

[(1, 20172429820), (2, 10086214910), (4, 5043107455), (5, 4034485964), (10, 2017242982), (20, 1008621491), (7321, 2755420), (14642, 1377710), (29284, 688855), (36605, 551084), (73210, 275542), (137771, 146420)]