20163219951

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{405299}}^1$

素因数の和:405435

約数の個数: 32

約数和(自身を含む): 32372121600

約数和(自身を除く): 12208901649

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 721, 2163, 2369, 7107, 16583, 49749, 405299, 1215897, 2837093, 8511279, 9321877, 27965631, 41745797, 65253139, 125237391, 195759417, 292220579, 876661737, 960153331, 2880459993, 6721073317, 20163219951]

約数ペア:

[(1, 20163219951), (3, 6721073317), (7, 2880459993), (21, 960153331), (23, 876661737), (69, 292220579), (103, 195759417), (161, 125237391), (309, 65253139), (483, 41745797), (721, 27965631), (2163, 9321877), (2369, 8511279), (7107, 2837093), (16583, 1215897), (49749, 405299)]