20319100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3331}}^1$

素因数の和:3406

約数の個数: 36

約数和(自身を含む): 44828728

約数和(自身を除く): 24509628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3331, 6100, 6662, 13324, 16655, 33310, 66620, 83275, 166550, 203191, 333100, 406382, 812764, 1015955, 2031910, 4063820, 5079775, 10159550, 20319100]

約数ペア:

[(1, 20319100), (2, 10159550), (4, 5079775), (5, 4063820), (10, 2031910), (20, 1015955), (25, 812764), (50, 406382), (61, 333100), (100, 203191), (122, 166550), (244, 83275), (305, 66620), (610, 33310), (1220, 16655), (1525, 13324), (3050, 6662), (3331, 6100)]