20479020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1787}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 57673728

約数和(自身を除く): 37194708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1787, 1910, 2292, 2865, 3574, 3820, 5361, 5730, 7148, 8935, 10722, 11460, 17870, 21444, 26805, 35740, 53610, 107220, 341317, 682634, 1023951, 1365268, 1706585, 2047902, 3413170, 4095804, 5119755, 6826340, 10239510, 20479020]

約数ペア:

[(1, 20479020), (2, 10239510), (3, 6826340), (4, 5119755), (5, 4095804), (6, 3413170), (10, 2047902), (12, 1706585), (15, 1365268), (20, 1023951), (30, 682634), (60, 341317), (191, 107220), (382, 53610), (573, 35740), (764, 26805), (955, 21444), (1146, 17870), (1787, 11460), (1910, 10722), (2292, 8935), (2865, 7148), (3574, 5730), (3820, 5361)]