20196357940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{908927}}^1$

素因数の和:909048

約数の個数: 48

約数和(自身を含む): 46726170624

約数和(自身を除く): 26529812684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 908927, 1817854, 3635708, 4544635, 9089270, 9998197, 18178540, 19996394, 39992788, 49990985, 91801627, 99981970, 183603254, 199963940, 367206508, 459008135, 918016270, 1009817897, 1836032540, 2019635794, 4039271588, 5049089485, 10098178970, 20196357940]

約数ペア:

[(1, 20196357940), (2, 10098178970), (4, 5049089485), (5, 4039271588), (10, 2019635794), (11, 1836032540), (20, 1009817897), (22, 918016270), (44, 459008135), (55, 367206508), (101, 199963940), (110, 183603254), (202, 99981970), (220, 91801627), (404, 49990985), (505, 39992788), (1010, 19996394), (1111, 18178540), (2020, 9998197), (2222, 9089270), (4444, 4544635), (5555, 3635708), (11110, 1817854), (22220, 908927)]