20206160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19429}}^1$

素因数の和:19455

約数の個数: 40

約数和(自身を含む): 50595720

約数和(自身を除く): 30389560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19429, 38858, 77716, 97145, 155432, 194290, 252577, 310864, 388580, 505154, 777160, 1010308, 1262885, 1554320, 2020616, 2525770, 4041232, 5051540, 10103080, 20206160]

約数ペア:

[(1, 20206160), (2, 10103080), (4, 5051540), (5, 4041232), (8, 2525770), (10, 2020616), (13, 1554320), (16, 1262885), (20, 1010308), (26, 777160), (40, 505154), (52, 388580), (65, 310864), (80, 252577), (104, 194290), (130, 155432), (208, 97145), (260, 77716), (520, 38858), (1040, 19429)]