20187881008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40701373}}^1$

素因数の和:40701412

約数の個数: 20

約数和(自身を含む): 40375763008

約数和(自身を除く): 20187882000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40701373, 81402746, 162805492, 325610984, 651221968, 1261742563, 2523485126, 5046970252, 10093940504, 20187881008]

約数ペア:

[(1, 20187881008), (2, 10093940504), (4, 5046970252), (8, 2523485126), (16, 1261742563), (31, 651221968), (62, 325610984), (124, 162805492), (248, 81402746), (496, 40701373)]