20602910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 39239424

約数和(自身を除く): 18636514

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1621, 2542, 3242, 6355, 8105, 12710, 16210, 50251, 66461, 100502, 132922, 251255, 332305, 502510, 664610, 2060291, 4120582, 10301455, 20602910]

約数ペア:

[(1, 20602910), (2, 10301455), (5, 4120582), (10, 2060291), (31, 664610), (41, 502510), (62, 332305), (82, 251255), (155, 132922), (205, 100502), (310, 66461), (410, 50251), (1271, 16210), (1621, 12710), (2542, 8105), (3242, 6355)]