20434671

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 31515120

約数和(自身を除く): 11080449

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1637, 4161, 4911, 12483, 14733, 31103, 93309, 119501, 279927, 358503, 1075509, 2270519, 6811557, 20434671]

約数ペア:

[(1, 20434671), (3, 6811557), (9, 2270519), (19, 1075509), (57, 358503), (73, 279927), (171, 119501), (219, 93309), (657, 31103), (1387, 14733), (1637, 12483), (4161, 4911)]