20081643

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 27734016

約数和(自身を除く): 7652373

約数列:

[1, 3, 47, 73, 141, 219, 1951, 3431, 5853, 10293, 91697, 142423, 275091, 427269, 6693881, 20081643]

約数ペア:

[(1, 20081643), (3, 6693881), (47, 427269), (73, 275091), (141, 142423), (219, 91697), (1951, 10293), (3431, 5853)]