20718612

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4679}}^1$

素因数の和:4733

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 34318188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4679, 9358, 14037, 18716, 28074, 42111, 56148, 84222, 126333, 168444, 191839, 252666, 383678, 505332, 575517, 767356, 1151034, 1726551, 2302068, 3453102, 5179653, 6906204, 10359306, 20718612]

約数ペア:

[(1, 20718612), (2, 10359306), (3, 6906204), (4, 5179653), (6, 3453102), (9, 2302068), (12, 1726551), (18, 1151034), (27, 767356), (36, 575517), (41, 505332), (54, 383678), (82, 252666), (108, 191839), (123, 168444), (164, 126333), (246, 84222), (369, 56148), (492, 42111), (738, 28074), (1107, 18716), (1476, 14037), (2214, 9358), (4428, 4679)]