20157304563

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{541}}^1\times {\mathrm{1009}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 31938672480

約数和(自身を除く): 11781367917

約数列:

[1, 3, 9, 11, 33, 99, 373, 541, 1009, 1119, 1623, 3027, 3357, 4103, 4869, 5951, 9081, 11099, 12309, 17853, 33297, 36927, 53559, 99891, 201793, 376357, 545869, 605379, 1129071, 1637607, 1816137, 2219723, 3387213, 4139927, 4912821, 6004559, 6659169, 12419781, 18013677, 19977507, 37259343, 54041031, 203609137, 610827411, 1832482233, 2239700507, 6719101521, 20157304563]

約数ペア:

[(1, 20157304563), (3, 6719101521), (9, 2239700507), (11, 1832482233), (33, 610827411), (99, 203609137), (373, 54041031), (541, 37259343), (1009, 19977507), (1119, 18013677), (1623, 12419781), (3027, 6659169), (3357, 6004559), (4103, 4912821), (4869, 4139927), (5951, 3387213), (9081, 2219723), (11099, 1816137), (12309, 1637607), (17853, 1129071), (33297, 605379), (36927, 545869), (53559, 376357), (99891, 201793)]