20290189108

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1418101}}^1$

素因数の和:1418192

約数の個数: 36

約数和(自身を含む): 41870879652

約数和(自身を除く): 21580690544

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 2044, 3577, 7154, 14308, 1418101, 2836202, 5672404, 9926707, 19853414, 39706828, 69486949, 103521373, 138973898, 207042746, 277947796, 414085492, 724649611, 1449299222, 2898598444, 5072547277, 10145094554, 20290189108]

約数ペア:

[(1, 20290189108), (2, 10145094554), (4, 5072547277), (7, 2898598444), (14, 1449299222), (28, 724649611), (49, 414085492), (73, 277947796), (98, 207042746), (146, 138973898), (196, 103521373), (292, 69486949), (511, 39706828), (1022, 19853414), (2044, 9926707), (3577, 5672404), (7154, 2836202), (14308, 1418101)]