20872126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 35283456

約数和(自身を除く): 14411330

約数列:

[1, 2, 11, 22, 61, 103, 122, 151, 206, 302, 671, 1133, 1342, 1661, 2266, 3322, 6283, 9211, 12566, 15553, 18422, 31106, 69113, 101321, 138226, 171083, 202642, 342166, 948733, 1897466, 10436063, 20872126]

約数ペア:

[(1, 20872126), (2, 10436063), (11, 1897466), (22, 948733), (61, 342166), (103, 202642), (122, 171083), (151, 138226), (206, 101321), (302, 69113), (671, 31106), (1133, 18422), (1342, 15553), (1661, 12566), (2266, 9211), (3322, 6283)]