20536980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342283}}^1$

素因数の和:342295

約数の個数: 24

約数和(自身を含む): 57503712

約数和(自身を除く): 36966732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342283, 684566, 1026849, 1369132, 1711415, 2053698, 3422830, 4107396, 5134245, 6845660, 10268490, 20536980]

約数ペア:

[(1, 20536980), (2, 10268490), (3, 6845660), (4, 5134245), (5, 4107396), (6, 3422830), (10, 2053698), (12, 1711415), (15, 1369132), (20, 1026849), (30, 684566), (60, 342283)]