20945672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238019}}^1$

素因数の和:238036

約数の個数: 16

約数和(自身を含む): 42843600

約数和(自身を除く): 21897928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238019, 476038, 952076, 1904152, 2618209, 5236418, 10472836, 20945672]

約数ペア:

[(1, 20945672), (2, 10472836), (4, 5236418), (8, 2618209), (11, 1904152), (22, 952076), (44, 476038), (88, 238019)]