20669852

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7309}}^1$

素因数の和:7421

約数の個数: 24

約数和(自身を含む): 41754720

約数和(自身を除く): 21084868

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7309, 14618, 29236, 51163, 102326, 204652, 738209, 1476418, 2952836, 5167463, 10334926, 20669852]

約数ペア:

[(1, 20669852), (2, 10334926), (4, 5167463), (7, 2952836), (14, 1476418), (28, 738209), (101, 204652), (202, 102326), (404, 51163), (707, 29236), (1414, 14618), (2828, 7309)]