20778826210

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6277591}}^1$

素因数の和:6277929

約数の個数: 16

約数和(自身を含む): 37514889792

約数和(自身を除く): 16736063582

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6277591, 12555182, 31387955, 62775910, 2077882621, 4155765242, 10389413105, 20778826210]

約数ペア:

[(1, 20778826210), (2, 10389413105), (5, 4155765242), (10, 2077882621), (331, 62775910), (662, 31387955), (1655, 12555182), (3310, 6277591)]