20809194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495457}}^1$

素因数の和:495469

約数の個数: 16

約数和(自身を含む): 47563968

約数和(自身を除く): 26754774

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495457, 990914, 1486371, 2972742, 3468199, 6936398, 10404597, 20809194]

約数ペア:

[(1, 20809194), (2, 10404597), (3, 6936398), (6, 3468199), (7, 2972742), (14, 1486371), (21, 990914), (42, 495457)]