20863130

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31139}}^1$

素因数の和:31213

約数の個数: 16

約数和(自身を含む): 38115360

約数和(自身を除く): 17252230

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31139, 62278, 155695, 311390, 2086313, 4172626, 10431565, 20863130]

約数ペア:

[(1, 20863130), (2, 10431565), (5, 4172626), (10, 2086313), (67, 311390), (134, 155695), (335, 62278), (670, 31139)]