20430032

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2403

約数の個数: 40

約数和(自身を含む): 45830400

約数和(自身を除く): 25400368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2309, 4424, 4618, 8848, 9236, 16163, 18472, 32326, 36944, 64652, 129304, 182411, 258608, 364822, 729644, 1276877, 1459288, 2553754, 2918576, 5107508, 10215016, 20430032]

約数ペア:

[(1, 20430032), (2, 10215016), (4, 5107508), (7, 2918576), (8, 2553754), (14, 1459288), (16, 1276877), (28, 729644), (56, 364822), (79, 258608), (112, 182411), (158, 129304), (316, 64652), (553, 36944), (632, 32326), (1106, 18472), (1264, 16163), (2212, 9236), (2309, 8848), (4424, 4618)]