20512896016

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9358073}}^1$

素因数の和:9358218

約数の個数: 20

約数和(自身を含む): 40033840572

約数和(自身を除く): 19520944556

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9358073, 18716146, 37432292, 74864584, 149729168, 1282056001, 2564112002, 5128224004, 10256448008, 20512896016]

約数ペア:

[(1, 20512896016), (2, 10256448008), (4, 5128224004), (8, 2564112002), (16, 1282056001), (137, 149729168), (274, 74864584), (548, 37432292), (1096, 18716146), (2192, 9358073)]