20118068

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 36312192

約数和(自身を除く): 16194124

約数列:

[1, 2, 4, 47, 94, 113, 188, 226, 452, 947, 1894, 3788, 5311, 10622, 21244, 44509, 89018, 107011, 178036, 214022, 428044, 5029517, 10059034, 20118068]

約数ペア:

[(1, 20118068), (2, 10059034), (4, 5029517), (47, 428044), (94, 214022), (113, 178036), (188, 107011), (226, 89018), (452, 44509), (947, 21244), (1894, 10622), (3788, 5311)]