20091370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4177}}^1$

素因数の和:4234

約数の個数: 32

約数和(自身を含む): 40008528

約数和(自身を除く): 19917158

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4177, 4810, 8354, 20885, 41770, 54301, 108602, 154549, 271505, 309098, 543010, 772745, 1545490, 2009137, 4018274, 10045685, 20091370]

約数ペア:

[(1, 20091370), (2, 10045685), (5, 4018274), (10, 2009137), (13, 1545490), (26, 772745), (37, 543010), (65, 309098), (74, 271505), (130, 154549), (185, 108602), (370, 54301), (481, 41770), (962, 20885), (2405, 8354), (4177, 4810)]