20081129936

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2525293}}^1$

素因数の和:2525379

約数の個数: 40

約数和(自身を含む): 45091649664

約数和(自身を除く): 25010519728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 2525293, 5050586, 10101172, 17677051, 20202344, 35354102, 40404688, 70708204, 141416408, 179295803, 282832816, 358591606, 717183212, 1255070621, 1434366424, 2510141242, 2868732848, 5020282484, 10040564968, 20081129936]

約数ペア:

[(1, 20081129936), (2, 10040564968), (4, 5020282484), (7, 2868732848), (8, 2510141242), (14, 1434366424), (16, 1255070621), (28, 717183212), (56, 358591606), (71, 282832816), (112, 179295803), (142, 141416408), (284, 70708204), (497, 40404688), (568, 35354102), (994, 20202344), (1136, 17677051), (1988, 10101172), (3976, 5050586), (7952, 2525293)]