20565527048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1681289}}^1$

素因数の和:1681445

約数の個数: 32

約数和(自身を含む): 42368508000

約数和(自身を除く): 21802980952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 1681289, 3362578, 6725156, 13450312, 18494179, 36988358, 73976716, 147953432, 233699171, 467398342, 934796684, 1869593368, 2570690881, 5141381762, 10282763524, 20565527048]

約数ペア:

[(1, 20565527048), (2, 10282763524), (4, 5141381762), (8, 2570690881), (11, 1869593368), (22, 934796684), (44, 467398342), (88, 233699171), (139, 147953432), (278, 73976716), (556, 36988358), (1112, 18494179), (1529, 13450312), (3058, 6725156), (6116, 3362578), (12232, 1681289)]