20213790890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1\times {\mathrm{34501}}^1$

素因数の和:35978

約数の個数: 32

約数和(自身を含む): 37299422160

約数和(自身を除く): 17085631270

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1429, 2858, 7145, 14290, 34501, 58589, 69002, 117178, 172505, 292945, 345010, 585890, 1414541, 2829082, 7072705, 14145410, 49301929, 98603858, 246509645, 493019290, 2021379089, 4042758178, 10106895445, 20213790890]

約数ペア:

[(1, 20213790890), (2, 10106895445), (5, 4042758178), (10, 2021379089), (41, 493019290), (82, 246509645), (205, 98603858), (410, 49301929), (1429, 14145410), (2858, 7072705), (7145, 2829082), (14290, 1414541), (34501, 585890), (58589, 345010), (69002, 292945), (117178, 172505)]