20435428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23117}}^1$

素因数の和:23151

約数の個数: 24

約数和(自身を含む): 40780152

約数和(自身を除く): 20344724

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23117, 46234, 92468, 300521, 392989, 601042, 785978, 1202084, 1571956, 5108857, 10217714, 20435428]

約数ペア:

[(1, 20435428), (2, 10217714), (4, 5108857), (13, 1571956), (17, 1202084), (26, 785978), (34, 601042), (52, 392989), (68, 300521), (221, 92468), (442, 46234), (884, 23117)]