20271524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55691}}^1$

素因数の和:55715

約数の個数: 24

約数和(自身を含む): 43662528

約数和(自身を除く): 23391004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55691, 111382, 222764, 389837, 723983, 779674, 1447966, 1559348, 2895932, 5067881, 10135762, 20271524]

約数ペア:

[(1, 20271524), (2, 10135762), (4, 5067881), (7, 2895932), (13, 1559348), (14, 1447966), (26, 779674), (28, 723983), (52, 389837), (91, 222764), (182, 111382), (364, 55691)]