20121054005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13458899}}^1$

素因数の和:13458940

約数の個数: 16

約数和(自身を含む): 27133142400

約数和(自身を除く): 7012088395

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13458899, 67294495, 174965687, 309554677, 874828435, 1547773385, 4024210801, 20121054005]

約数ペア:

[(1, 20121054005), (5, 4024210801), (13, 1547773385), (23, 874828435), (65, 309554677), (115, 174965687), (299, 67294495), (1495, 13458899)]