20885328

素因数分解:

$2^4\times 3^2\times {\mathrm{145037}}^1$

素因数の和:145051

約数の個数: 30

約数和(自身を含む): 58450314

約数和(自身を除く): 37564986

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145037, 290074, 435111, 580148, 870222, 1160296, 1305333, 1740444, 2320592, 2610666, 3480888, 5221332, 6961776, 10442664, 20885328]

約数ペア:

[(1, 20885328), (2, 10442664), (3, 6961776), (4, 5221332), (6, 3480888), (8, 2610666), (9, 2320592), (12, 1740444), (16, 1305333), (18, 1160296), (24, 870222), (36, 580148), (48, 435111), (72, 290074), (144, 145037)]