20410808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1693}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 42078960

約数和(自身を除く): 21668152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1693, 3014, 3386, 6028, 6772, 12056, 13544, 18623, 37246, 74492, 148984, 231941, 463882, 927764, 1855528, 2551351, 5102702, 10205404, 20410808]

約数ペア:

[(1, 20410808), (2, 10205404), (4, 5102702), (8, 2551351), (11, 1855528), (22, 927764), (44, 463882), (88, 231941), (137, 148984), (274, 74492), (548, 37246), (1096, 18623), (1507, 13544), (1693, 12056), (3014, 6772), (3386, 6028)]