20806716670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1826753}}^1$

素因数の和:1826844

約数の個数: 32

約数和(自身を含む): 40247044128

約数和(自身を除く): 19440327458

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 5695, 11390, 1826753, 3653506, 9133765, 18267530, 31054801, 62109602, 122392451, 155274005, 244784902, 310548010, 611962255, 1223924510, 2080671667, 4161343334, 10403358335, 20806716670]

約数ペア:

[(1, 20806716670), (2, 10403358335), (5, 4161343334), (10, 2080671667), (17, 1223924510), (34, 611962255), (67, 310548010), (85, 244784902), (134, 155274005), (170, 122392451), (335, 62109602), (670, 31054801), (1139, 18267530), (2278, 9133765), (5695, 3653506), (11390, 1826753)]