20291608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4813}}^1$

素因数の和:4867

約数の個数: 32

約数和(自身を含む): 41592960

約数和(自身を除く): 21301352

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4813, 9626, 19252, 38504, 81821, 149203, 163642, 298406, 327284, 596812, 654568, 1193624, 2536451, 5072902, 10145804, 20291608]

約数ペア:

[(1, 20291608), (2, 10145804), (4, 5072902), (8, 2536451), (17, 1193624), (31, 654568), (34, 596812), (62, 327284), (68, 298406), (124, 163642), (136, 149203), (248, 81821), (527, 38504), (1054, 19252), (2108, 9626), (4216, 4813)]