20392708

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7211}}^1$

素因数の和:7323

約数の個数: 24

約数和(自身を含む): 41194944

約数和(自身を除く): 20802236

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7211, 14422, 28844, 50477, 100954, 201908, 728311, 1456622, 2913244, 5098177, 10196354, 20392708]

約数ペア:

[(1, 20392708), (2, 10196354), (4, 5098177), (7, 2913244), (14, 1456622), (28, 728311), (101, 201908), (202, 100954), (404, 50477), (707, 28844), (1414, 14422), (2828, 7211)]