20163392120

素因数分解:

$2^3\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{143573}}^1$

素因数の和:147095

約数の個数: 32

約数和(自身を含む): 45380869920

約数和(自身を除く): 25217477800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3511, 7022, 14044, 17555, 28088, 35110, 70220, 140440, 143573, 287146, 574292, 717865, 1148584, 1435730, 2871460, 5742920, 504084803, 1008169606, 2016339212, 2520424015, 4032678424, 5040848030, 10081696060, 20163392120]

約数ペア:

[(1, 20163392120), (2, 10081696060), (4, 5040848030), (5, 4032678424), (8, 2520424015), (10, 2016339212), (20, 1008169606), (40, 504084803), (3511, 5742920), (7022, 2871460), (14044, 1435730), (17555, 1148584), (28088, 717865), (35110, 574292), (70220, 287146), (140440, 143573)]