20615372

素因数分解:

$2^2\times {\mathrm{31}}^3\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 24

約数和(自身を含む): 37494912

約数和(自身を除く): 16879540

約数列:

[1, 2, 4, 31, 62, 124, 173, 346, 692, 961, 1922, 3844, 5363, 10726, 21452, 29791, 59582, 119164, 166253, 332506, 665012, 5153843, 10307686, 20615372]

約数ペア:

[(1, 20615372), (2, 10307686), (4, 5153843), (31, 665012), (62, 332506), (124, 166253), (173, 119164), (346, 59582), (692, 29791), (961, 21452), (1922, 10726), (3844, 5363)]