20712480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43151}}^1$

素因数の和:43169

約数の個数: 48

約数和(自身を含む): 65245824

約数和(自身を除く): 44533344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43151, 86302, 129453, 172604, 215755, 258906, 345208, 431510, 517812, 647265, 690416, 863020, 1035624, 1294530, 1380832, 1726040, 2071248, 2589060, 3452080, 4142496, 5178120, 6904160, 10356240, 20712480]

約数ペア:

[(1, 20712480), (2, 10356240), (3, 6904160), (4, 5178120), (5, 4142496), (6, 3452080), (8, 2589060), (10, 2071248), (12, 1726040), (15, 1380832), (16, 1294530), (20, 1035624), (24, 863020), (30, 690416), (32, 647265), (40, 517812), (48, 431510), (60, 345208), (80, 258906), (96, 215755), (120, 172604), (160, 129453), (240, 86302), (480, 43151)]