20210696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 41623200

約数和(自身を除く): 21412504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1409, 1793, 2818, 3586, 5636, 7172, 11272, 14344, 15499, 30998, 61996, 123992, 229667, 459334, 918668, 1837336, 2526337, 5052674, 10105348, 20210696]

約数ペア:

[(1, 20210696), (2, 10105348), (4, 5052674), (8, 2526337), (11, 1837336), (22, 918668), (44, 459334), (88, 229667), (163, 123992), (326, 61996), (652, 30998), (1304, 15499), (1409, 14344), (1793, 11272), (2818, 7172), (3586, 5636)]