20054375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{2917}}^1$

素因数の和:2948

約数の個数: 20

約数和(自身を含む): 27347496

約数和(自身を除く): 7293121

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 2917, 6875, 14585, 32087, 72925, 160435, 364625, 802175, 1823125, 4010875, 20054375]

約数ペア:

[(1, 20054375), (5, 4010875), (11, 1823125), (25, 802175), (55, 364625), (125, 160435), (275, 72925), (625, 32087), (1375, 14585), (2917, 6875)]