20403218877

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1\times {\mathrm{1979}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 27850521600

約数和(自身を除く): 7447302723

約数列:

[1, 3, 73, 179, 219, 263, 537, 789, 1979, 5937, 13067, 19199, 39201, 47077, 57597, 141231, 144467, 354241, 433401, 520477, 1062723, 1561431, 3436621, 10309863, 25859593, 37994821, 77578779, 93165383, 113984463, 279496149, 6801072959, 20403218877]

約数ペア:

[(1, 20403218877), (3, 6801072959), (73, 279496149), (179, 113984463), (219, 93165383), (263, 77578779), (537, 37994821), (789, 25859593), (1979, 10309863), (5937, 3436621), (13067, 1561431), (19199, 1062723), (39201, 520477), (47077, 433401), (57597, 354241), (141231, 144467)]