20718576

素因数分解:

$2^4\times 3^2\times {\mathrm{143879}}^1$

素因数の和:143893

約数の個数: 30

約数和(自身を含む): 57983640

約数和(自身を除く): 37265064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143879, 287758, 431637, 575516, 863274, 1151032, 1294911, 1726548, 2302064, 2589822, 3453096, 5179644, 6906192, 10359288, 20718576]

約数ペア:

[(1, 20718576), (2, 10359288), (3, 6906192), (4, 5179644), (6, 3453096), (8, 2589822), (9, 2302064), (12, 1726548), (16, 1294911), (18, 1151032), (24, 863274), (36, 575516), (48, 431637), (72, 287758), (144, 143879)]