20090050

素因数分解:

$2^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{907}}^1$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 37493136

約数和(自身を除く): 17403086

約数列:

[1, 2, 5, 10, 25, 50, 443, 886, 907, 1814, 2215, 4430, 4535, 9070, 11075, 22150, 22675, 45350, 401801, 803602, 2009005, 4018010, 10045025, 20090050]

約数ペア:

[(1, 20090050), (2, 10045025), (5, 4018010), (10, 2009005), (25, 803602), (50, 401801), (443, 45350), (886, 22675), (907, 22150), (1814, 11075), (2215, 9070), (4430, 4535)]