20973148

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 45319680

約数和(自身を除く): 24346532

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 92, 116, 161, 203, 322, 406, 644, 667, 812, 1123, 1334, 2246, 2668, 4492, 4669, 7861, 9338, 15722, 18676, 25829, 31444, 32567, 51658, 65134, 103316, 130268, 180803, 227969, 361606, 455938, 723212, 749041, 911876, 1498082, 2996164, 5243287, 10486574, 20973148]

約数ペア:

[(1, 20973148), (2, 10486574), (4, 5243287), (7, 2996164), (14, 1498082), (23, 911876), (28, 749041), (29, 723212), (46, 455938), (58, 361606), (92, 227969), (116, 180803), (161, 130268), (203, 103316), (322, 65134), (406, 51658), (644, 32567), (667, 31444), (812, 25829), (1123, 18676), (1334, 15722), (2246, 9338), (2668, 7861), (4492, 4669)]