20389442

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1145

約数の個数: 16

約数和(自身を含む): 31536960

約数和(自身を除く): 11147518

約数列:

[1, 2, 37, 74, 379, 727, 758, 1454, 14023, 26899, 28046, 53798, 275533, 551066, 10194721, 20389442]

約数ペア:

[(1, 20389442), (2, 10194721), (37, 551066), (74, 275533), (379, 53798), (727, 28046), (758, 26899), (1454, 14023)]