20470856

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21503}}^1$

素因数の和:21533

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 25977784

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21503, 43006, 86012, 150521, 172024, 301042, 365551, 602084, 731102, 1204168, 1462204, 2558857, 2924408, 5117714, 10235428, 20470856]

約数ペア:

[(1, 20470856), (2, 10235428), (4, 5117714), (7, 2924408), (8, 2558857), (14, 1462204), (17, 1204168), (28, 731102), (34, 602084), (56, 365551), (68, 301042), (119, 172024), (136, 150521), (238, 86012), (476, 43006), (952, 21503)]