20431059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11502381

約数列:

[1, 3, 11, 17, 33, 51, 79, 187, 237, 461, 561, 869, 1343, 1383, 2607, 4029, 5071, 7837, 14773, 15213, 23511, 36419, 44319, 86207, 109257, 258621, 400609, 619123, 1201827, 1857369, 6810353, 20431059]

約数ペア:

[(1, 20431059), (3, 6810353), (11, 1857369), (17, 1201827), (33, 619123), (51, 400609), (79, 258621), (187, 109257), (237, 86207), (461, 44319), (561, 36419), (869, 23511), (1343, 15213), (1383, 14773), (2607, 7837), (4029, 5071)]