20528027989

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1\times {\mathrm{79201}}^1$

素因数の和:79876

約数の個数: 16

約数和(自身を含む): 23884788736

約数和(自身を除く): 3356760747

約数列:

[1, 7, 61, 427, 607, 4249, 37027, 79201, 259189, 554407, 4831261, 33818827, 48075007, 336525049, 2932575427, 20528027989]

約数ペア:

[(1, 20528027989), (7, 2932575427), (61, 336525049), (427, 48075007), (607, 33818827), (4249, 4831261), (37027, 554407), (79201, 259189)]