20514810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1523}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 49377600

約数和(自身を除く): 28862790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1523, 2245, 2694, 3046, 4490, 4569, 6735, 7615, 9138, 13470, 15230, 22845, 45690, 683827, 1367654, 2051481, 3419135, 4102962, 6838270, 10257405, 20514810]

約数ペア:

[(1, 20514810), (2, 10257405), (3, 6838270), (5, 4102962), (6, 3419135), (10, 2051481), (15, 1367654), (30, 683827), (449, 45690), (898, 22845), (1347, 15230), (1523, 13470), (2245, 9138), (2694, 7615), (3046, 6735), (4490, 4569)]