20528027960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46654609}}^1$

素因数の和:46654631

約数の個数: 32

約数和(自身を含む): 50386978800

約数和(自身を除く): 29858950840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46654609, 93309218, 186618436, 233273045, 373236872, 466546090, 513200699, 933092180, 1026401398, 1866184360, 2052802796, 2566003495, 4105605592, 5132006990, 10264013980, 20528027960]

約数ペア:

[(1, 20528027960), (2, 10264013980), (4, 5132006990), (5, 4105605592), (8, 2566003495), (10, 2052802796), (11, 1866184360), (20, 1026401398), (22, 933092180), (40, 513200699), (44, 466546090), (55, 373236872), (88, 233273045), (110, 186618436), (220, 93309218), (440, 46654609)]