20556419

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 22730400

約数和(自身を除く): 2173981

約数列:

[1, 13, 89, 109, 163, 1157, 1417, 2119, 9701, 14507, 17767, 126113, 188591, 230971, 1581263, 20556419]

約数ペア:

[(1, 20556419), (13, 1581263), (89, 230971), (109, 188591), (163, 126113), (1157, 17767), (1417, 14507), (2119, 9701)]