20418630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{827}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 49123584

約数和(自身を除く): 28704954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 823, 827, 1646, 1654, 2469, 2481, 4115, 4135, 4938, 4962, 8230, 8270, 12345, 12405, 24690, 24810, 680621, 1361242, 2041863, 3403105, 4083726, 6806210, 10209315, 20418630]

約数ペア:

[(1, 20418630), (2, 10209315), (3, 6806210), (5, 4083726), (6, 3403105), (10, 2041863), (15, 1361242), (30, 680621), (823, 24810), (827, 24690), (1646, 12405), (1654, 12345), (2469, 8270), (2481, 8230), (4115, 4962), (4135, 4938)]