20343713

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 23888088

約数和(自身を除く): 3544375

約数列:

[1, 13, 17, 73, 97, 169, 221, 949, 1241, 1261, 1649, 2873, 7081, 12337, 16133, 16393, 21437, 92053, 120377, 209729, 278681, 1196689, 1564901, 20343713]

約数ペア:

[(1, 20343713), (13, 1564901), (17, 1196689), (73, 278681), (97, 209729), (169, 120377), (221, 92053), (949, 21437), (1241, 16393), (1261, 16133), (1649, 12337), (2873, 7081)]