1900262020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2209607}}^1$

素因数の和:2209659

約数の個数: 24

約数和(自身を含む): 4083355584

約数和(自身を除く): 2183093564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2209607, 4419214, 8838428, 11048035, 22096070, 44192140, 95013101, 190026202, 380052404, 475065505, 950131010, 1900262020]

約数ペア:

[(1, 1900262020), (2, 950131010), (4, 475065505), (5, 380052404), (10, 190026202), (20, 95013101), (43, 44192140), (86, 22096070), (172, 11048035), (215, 8838428), (430, 4419214), (860, 2209607)]