20571122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4231}}^1$

素因数の和:4274

約数の個数: 32

約数和(自身を含む): 38392704

約数和(自身を除く): 17821582

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4231, 4862, 8462, 46541, 55003, 71927, 93082, 110006, 143854, 605033, 791197, 935051, 1210066, 1582394, 1870102, 10285561, 20571122]

約数ペア:

[(1, 20571122), (2, 10285561), (11, 1870102), (13, 1582394), (17, 1210066), (22, 935051), (26, 791197), (34, 605033), (143, 143854), (187, 110006), (221, 93082), (286, 71927), (374, 55003), (442, 46541), (2431, 8462), (4231, 4862)]