20745960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172883}}^1$

素因数の和:172897

約数の個数: 32

約数和(自身を含む): 62238240

約数和(自身を除く): 41492280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172883, 345766, 518649, 691532, 864415, 1037298, 1383064, 1728830, 2074596, 2593245, 3457660, 4149192, 5186490, 6915320, 10372980, 20745960]

約数ペア:

[(1, 20745960), (2, 10372980), (3, 6915320), (4, 5186490), (5, 4149192), (6, 3457660), (8, 2593245), (10, 2074596), (12, 1728830), (15, 1383064), (20, 1037298), (24, 864415), (30, 691532), (40, 518649), (60, 345766), (120, 172883)]