20186356816

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{66821}}^1$

素因数の和:67147

約数の個数: 40

約数和(自身を含む): 39772454400

約数和(自身を除く): 19586097584

約数列:

[1, 2, 4, 8, 16, 79, 158, 239, 316, 478, 632, 956, 1264, 1912, 3824, 18881, 37762, 66821, 75524, 133642, 151048, 267284, 302096, 534568, 1069136, 5278859, 10557718, 15970219, 21115436, 31940438, 42230872, 63880876, 84461744, 127761752, 255523504, 1261647301, 2523294602, 5046589204, 10093178408, 20186356816]

約数ペア:

[(1, 20186356816), (2, 10093178408), (4, 5046589204), (8, 2523294602), (16, 1261647301), (79, 255523504), (158, 127761752), (239, 84461744), (316, 63880876), (478, 42230872), (632, 31940438), (956, 21115436), (1264, 15970219), (1912, 10557718), (3824, 5278859), (18881, 1069136), (37762, 534568), (66821, 302096), (75524, 267284), (133642, 151048)]