20400690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18379}}^1$

素因数の和:18426

約数の個数: 32

約数和(自身を含む): 50287680

約数和(自身を除く): 29886990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18379, 36758, 55137, 91895, 110274, 183790, 275685, 551370, 680023, 1360046, 2040069, 3400115, 4080138, 6800230, 10200345, 20400690]

約数ペア:

[(1, 20400690), (2, 10200345), (3, 6800230), (5, 4080138), (6, 3400115), (10, 2040069), (15, 1360046), (30, 680023), (37, 551370), (74, 275685), (111, 183790), (185, 110274), (222, 91895), (370, 55137), (555, 36758), (1110, 18379)]