20942972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{977}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 38447136

約数和(自身を除く): 17504164

約数列:

[1, 2, 4, 23, 46, 92, 233, 466, 932, 977, 1954, 3908, 5359, 10718, 21436, 22471, 44942, 89884, 227641, 455282, 910564, 5235743, 10471486, 20942972]

約数ペア:

[(1, 20942972), (2, 10471486), (4, 5235743), (23, 910564), (46, 455282), (92, 227641), (233, 89884), (466, 44942), (932, 22471), (977, 21436), (1954, 10718), (3908, 5359)]