20293075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 27743760

約数和(自身を除く): 7450685

約数列:

[1, 5, 11, 25, 55, 109, 275, 545, 677, 1199, 2725, 3385, 5995, 7447, 16925, 29975, 37235, 73793, 186175, 368965, 811723, 1844825, 4058615, 20293075]

約数ペア:

[(1, 20293075), (5, 4058615), (11, 1844825), (25, 811723), (55, 368965), (109, 186175), (275, 73793), (545, 37235), (677, 29975), (1199, 16925), (2725, 7447), (3385, 5995)]