20678412180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344640203}}^1$

素因数の和:344640215

約数の個数: 24

約数和(自身を含む): 57899554272

約数和(自身を除く): 37221142092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344640203, 689280406, 1033920609, 1378560812, 1723201015, 2067841218, 3446402030, 4135682436, 5169603045, 6892804060, 10339206090, 20678412180]

約数ペア:

[(1, 20678412180), (2, 10339206090), (3, 6892804060), (4, 5169603045), (5, 4135682436), (6, 3446402030), (10, 2067841218), (12, 1723201015), (15, 1378560812), (20, 1033920609), (30, 689280406), (60, 344640203)]