20145011980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1\times {\mathrm{10133}}^1$

素因数の和:11178

約数の個数: 48

約数和(自身を含む): 42750076320

約数和(自身を除く): 22605064340

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 929, 1070, 1858, 2140, 3716, 4645, 9290, 10133, 18580, 20266, 40532, 50665, 99403, 101330, 198806, 202660, 397612, 497015, 994030, 1084231, 1988060, 2168462, 4336924, 5421155, 9413557, 10842310, 18827114, 21684620, 37654228, 47067785, 94135570, 188271140, 1007250599, 2014501198, 4029002396, 5036252995, 10072505990, 20145011980]

約数ペア:

[(1, 20145011980), (2, 10072505990), (4, 5036252995), (5, 4029002396), (10, 2014501198), (20, 1007250599), (107, 188271140), (214, 94135570), (428, 47067785), (535, 37654228), (929, 21684620), (1070, 18827114), (1858, 10842310), (2140, 9413557), (3716, 5421155), (4645, 4336924), (9290, 2168462), (10133, 1988060), (18580, 1084231), (20266, 994030), (40532, 497015), (50665, 397612), (99403, 202660), (101330, 198806)]