20403218878

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3413051}}^1$

素因数の和:3413128

約数の個数: 24

約数和(自身を含む): 36185177304

約数和(自身を除く): 15781958426

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 5978, 3413051, 6826102, 23891357, 47782714, 167239499, 208196111, 334478998, 416392222, 1457372777, 2914745554, 10201609439, 20403218878]

約数ペア:

[(1, 20403218878), (2, 10201609439), (7, 2914745554), (14, 1457372777), (49, 416392222), (61, 334478998), (98, 208196111), (122, 167239499), (427, 47782714), (854, 23891357), (2989, 6826102), (5978, 3413051)]