20358220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44257}}^1$

素因数の和:44289

約数の個数: 24

約数和(自身を含む): 44612064

約数和(自身を除く): 24253844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44257, 88514, 177028, 221285, 442570, 885140, 1017911, 2035822, 4071644, 5089555, 10179110, 20358220]

約数ペア:

[(1, 20358220), (2, 10179110), (4, 5089555), (5, 4071644), (10, 2035822), (20, 1017911), (23, 885140), (46, 442570), (92, 221285), (115, 177028), (230, 88514), (460, 44257)]