20269780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59617}}^1$

素因数の和:59643

約数の個数: 24

約数和(自身を含む): 45071208

約数和(自身を除く): 24801428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59617, 119234, 238468, 298085, 596170, 1013489, 1192340, 2026978, 4053956, 5067445, 10134890, 20269780]

約数ペア:

[(1, 20269780), (2, 10134890), (4, 5067445), (5, 4053956), (10, 2026978), (17, 1192340), (20, 1013489), (34, 596170), (68, 298085), (85, 238468), (170, 119234), (340, 59617)]