20585012

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 22597708

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 101, 116, 202, 203, 251, 404, 406, 502, 707, 812, 1004, 1414, 1757, 2828, 2929, 3514, 5858, 7028, 7279, 11716, 14558, 20503, 25351, 29116, 41006, 50702, 50953, 82012, 101404, 101906, 177457, 203812, 354914, 709828, 735179, 1470358, 2940716, 5146253, 10292506, 20585012]

約数ペア:

[(1, 20585012), (2, 10292506), (4, 5146253), (7, 2940716), (14, 1470358), (28, 735179), (29, 709828), (58, 354914), (101, 203812), (116, 177457), (202, 101906), (203, 101404), (251, 82012), (404, 50953), (406, 50702), (502, 41006), (707, 29116), (812, 25351), (1004, 20503), (1414, 14558), (1757, 11716), (2828, 7279), (2929, 7028), (3514, 5858)]