20336108

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 36

約数和(自身を含む): 39198600

約数和(自身を除く): 18862492

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 449, 676, 871, 898, 1742, 1796, 3484, 5837, 11323, 11674, 22646, 23348, 30083, 45292, 60166, 75881, 120332, 151762, 303524, 391079, 782158, 1564316, 5084027, 10168054, 20336108]

約数ペア:

[(1, 20336108), (2, 10168054), (4, 5084027), (13, 1564316), (26, 782158), (52, 391079), (67, 303524), (134, 151762), (169, 120332), (268, 75881), (338, 60166), (449, 45292), (676, 30083), (871, 23348), (898, 22646), (1742, 11674), (1796, 11323), (3484, 5837)]