20512586520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56979407}}^1$

素因数の和:56979424

約数の個数: 48

約数和(自身を含む): 66665907360

約数和(自身を除く): 46153320840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56979407, 113958814, 170938221, 227917628, 284897035, 341876442, 455835256, 512814663, 569794070, 683752884, 854691105, 1025629326, 1139588140, 1367505768, 1709382210, 2051258652, 2279176280, 2564073315, 3418764420, 4102517304, 5128146630, 6837528840, 10256293260, 20512586520]

約数ペア:

[(1, 20512586520), (2, 10256293260), (3, 6837528840), (4, 5128146630), (5, 4102517304), (6, 3418764420), (8, 2564073315), (9, 2279176280), (10, 2051258652), (12, 1709382210), (15, 1367505768), (18, 1139588140), (20, 1025629326), (24, 854691105), (30, 683752884), (36, 569794070), (40, 512814663), (45, 455835256), (60, 341876442), (72, 284897035), (90, 227917628), (120, 170938221), (180, 113958814), (360, 56979407)]