20019240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55609}}^1$

素因数の和:55626

約数の個数: 48

約数和(自身を含む): 65063700

約数和(自身を除く): 45044460

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, 55609, 111218, 166827, 222436, 278045, 333654, 444872, 500481, 556090, 667308, 834135, 1000962, 1112180, 1334616, 1668270, 2001924, 2224360, 2502405, 3336540, 4003848, 5004810, 6673080, 10009620, 20019240]

約数ペア:

[(1, 20019240), (2, 10009620), (3, 6673080), (4, 5004810), (5, 4003848), (6, 3336540), (8, 2502405), (9, 2224360), (10, 2001924), (12, 1668270), (15, 1334616), (18, 1112180), (20, 1000962), (24, 834135), (30, 667308), (36, 556090), (40, 500481), (45, 444872), (60, 333654), (72, 278045), (90, 222436), (120, 166827), (180, 111218), (360, 55609)]