20041870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 37306368

約数和(自身を除く): 17264498

約数列:

[1, 2, 5, 10, 43, 86, 127, 215, 254, 367, 430, 635, 734, 1270, 1835, 3670, 5461, 10922, 15781, 27305, 31562, 46609, 54610, 78905, 93218, 157810, 233045, 466090, 2004187, 4008374, 10020935, 20041870]

約数ペア:

[(1, 20041870), (2, 10020935), (5, 4008374), (10, 2004187), (43, 466090), (86, 233045), (127, 157810), (215, 93218), (254, 78905), (367, 54610), (430, 46609), (635, 31562), (734, 27305), (1270, 15781), (1835, 10922), (3670, 5461)]