20123961085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3019349}}^1$

素因数の和:3019428

約数の個数: 16

約数和(自身を含む): 25507468800

約数和(自身を除く): 5383507715

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 3019349, 15096745, 93599819, 129832007, 467999095, 649160035, 4024792217, 20123961085]

約数ペア:

[(1, 20123961085), (5, 4024792217), (31, 649160035), (43, 467999095), (155, 129832007), (215, 93599819), (1333, 15096745), (6665, 3019349)]