20345460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339091}}^1$

素因数の和:339103

約数の個数: 24

約数和(自身を含む): 56967456

約数和(自身を除く): 36621996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339091, 678182, 1017273, 1356364, 1695455, 2034546, 3390910, 4069092, 5086365, 6781820, 10172730, 20345460]

約数ペア:

[(1, 20345460), (2, 10172730), (3, 6781820), (4, 5086365), (5, 4069092), (6, 3390910), (10, 2034546), (12, 1695455), (15, 1356364), (20, 1017273), (30, 678182), (60, 339091)]