20463937

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 4695743

約数列:

[1, 13, 17, 29, 31, 103, 221, 377, 403, 493, 527, 899, 1339, 1751, 2987, 3193, 6409, 6851, 11687, 15283, 22763, 38831, 41509, 50779, 54281, 92597, 198679, 660127, 705653, 1203761, 1574149, 20463937]

約数ペア:

[(1, 20463937), (13, 1574149), (17, 1203761), (29, 705653), (31, 660127), (103, 198679), (221, 92597), (377, 54281), (403, 50779), (493, 41509), (527, 38831), (899, 22763), (1339, 15283), (1751, 11687), (2987, 6851), (3193, 6409)]