20115289900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1042243}}^1$

素因数の和:1042450

約数の個数: 36

約数和(自身を含む): 43876387912

約数和(自身を除く): 23761098012

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4825, 9650, 19300, 1042243, 2084486, 4168972, 5211215, 10422430, 20844860, 26056075, 52112150, 104224300, 201152899, 402305798, 804611596, 1005764495, 2011528990, 4023057980, 5028822475, 10057644950, 20115289900]

約数ペア:

[(1, 20115289900), (2, 10057644950), (4, 5028822475), (5, 4023057980), (10, 2011528990), (20, 1005764495), (25, 804611596), (50, 402305798), (100, 201152899), (193, 104224300), (386, 52112150), (772, 26056075), (965, 20844860), (1930, 10422430), (3860, 5211215), (4825, 4168972), (9650, 2084486), (19300, 1042243)]