201542420

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{5011}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 423534048

約数和(自身を除く): 221991628

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 5011, 8044, 10022, 10055, 20044, 20110, 25055, 40220, 50110, 100220, 10077121, 20154242, 40308484, 50385605, 100771210, 201542420]

約数ペア:

[(1, 201542420), (2, 100771210), (4, 50385605), (5, 40308484), (10, 20154242), (20, 10077121), (2011, 100220), (4022, 50110), (5011, 40220), (8044, 25055), (10022, 20110), (10055, 20044)]