20738464

素因数分解:

$2^5\times {\mathrm{307}}^1\times {\mathrm{2111}}^1$

素因数の和:2428

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 20242784

約数列:

[1, 2, 4, 8, 16, 32, 307, 614, 1228, 2111, 2456, 4222, 4912, 8444, 9824, 16888, 33776, 67552, 648077, 1296154, 2592308, 5184616, 10369232, 20738464]

約数ペア:

[(1, 20738464), (2, 10369232), (4, 5184616), (8, 2592308), (16, 1296154), (32, 648077), (307, 67552), (614, 33776), (1228, 16888), (2111, 9824), (2456, 8444), (4222, 4912)]