20170981685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{19801}}^1\times {\mathrm{10723}}^1$

素因数の和:30548

約数の個数: 16

約数和(自身を含む): 25482797760

約数和(自身を除く): 5311816075

約数列:

[1, 5, 19, 95, 10723, 19801, 53615, 99005, 203737, 376219, 1018685, 1881095, 212326123, 1061630615, 4034196337, 20170981685]

約数ペア:

[(1, 20170981685), (5, 4034196337), (19, 1061630615), (95, 212326123), (10723, 1881095), (19801, 1018685), (53615, 376219), (99005, 203737)]