20857116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248299}}^1$

素因数の和:248313

約数の個数: 24

約数和(自身を含む): 55619200

約数和(自身を除く): 34762084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248299, 496598, 744897, 993196, 1489794, 1738093, 2979588, 3476186, 5214279, 6952372, 10428558, 20857116]

約数ペア:

[(1, 20857116), (2, 10428558), (3, 6952372), (4, 5214279), (6, 3476186), (7, 2979588), (12, 1738093), (14, 1489794), (21, 993196), (28, 744897), (42, 496598), (84, 248299)]