20439433

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1607}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 24698880

約数和(自身を除く): 4259447

約数列:

[1, 7, 23, 79, 161, 553, 1607, 1817, 11249, 12719, 36961, 126953, 258727, 888671, 2919919, 20439433]

約数ペア:

[(1, 20439433), (7, 2919919), (23, 888671), (79, 258727), (161, 126953), (553, 36961), (1607, 12719), (1817, 11249)]