20485894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 16092410

約数列:

[1, 2, 11, 13, 22, 26, 83, 143, 166, 286, 863, 913, 1079, 1726, 1826, 2158, 9493, 11219, 11869, 18986, 22438, 23738, 71629, 123409, 143258, 246818, 787919, 931177, 1575838, 1862354, 10242947, 20485894]

約数ペア:

[(1, 20485894), (2, 10242947), (11, 1862354), (13, 1575838), (22, 931177), (26, 787919), (83, 246818), (143, 143258), (166, 123409), (286, 71629), (863, 23738), (913, 22438), (1079, 18986), (1726, 11869), (1826, 11219), (2158, 9493)]