20409556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1361}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 37525824

約数和(自身を除く): 17116268

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1361, 2722, 3749, 5444, 7498, 14996, 31303, 62606, 125212, 221843, 443686, 887372, 5102389, 10204778, 20409556]

約数ペア:

[(1, 20409556), (2, 10204778), (4, 5102389), (23, 887372), (46, 443686), (92, 221843), (163, 125212), (326, 62606), (652, 31303), (1361, 14996), (2722, 7498), (3749, 5444)]