201432940

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{20681}}^1$

素因数の和:21177

約数の個数: 24

約数和(自身を含む): 423898272

約数和(自身を除く): 222465332

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 20681, 41362, 82724, 103405, 206810, 413620, 10071647, 20143294, 40286588, 50358235, 100716470, 201432940]

約数ペア:

[(1, 201432940), (2, 100716470), (4, 50358235), (5, 40286588), (10, 20143294), (20, 10071647), (487, 413620), (974, 206810), (1948, 103405), (2435, 82724), (4870, 41362), (9740, 20681)]