20387114

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 37526976

約数和(自身を除く): 17139862

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 151, 187, 209, 302, 323, 361, 374, 418, 646, 722, 1661, 2567, 2869, 3322, 3553, 3971, 5134, 5738, 6137, 7106, 7942, 12274, 28237, 31559, 48773, 54511, 56474, 63118, 67507, 97546, 109022, 135014, 536503, 599621, 926687, 1073006, 1199242, 1853374, 10193557, 20387114]

約数ペア:

[(1, 20387114), (2, 10193557), (11, 1853374), (17, 1199242), (19, 1073006), (22, 926687), (34, 599621), (38, 536503), (151, 135014), (187, 109022), (209, 97546), (302, 67507), (323, 63118), (361, 56474), (374, 54511), (418, 48773), (646, 31559), (722, 28237), (1661, 12274), (2567, 7942), (2869, 7106), (3322, 6137), (3553, 5738), (3971, 5134)]