20422081978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1281667}}^1$

素因数の和:1281957

約数の個数: 16

約数和(自身を含む): 31744353024

約数和(自身を除く): 11322271046

約数列:

[1, 2, 31, 62, 257, 514, 7967, 15934, 1281667, 2563334, 39731677, 79463354, 329388419, 658776838, 10211040989, 20422081978]

約数ペア:

[(1, 20422081978), (2, 10211040989), (31, 658776838), (62, 329388419), (257, 79463354), (514, 39731677), (7967, 2563334), (15934, 1281667)]