20118777

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50423}}^1$

素因数の和:50452

約数の個数: 16

約数和(自身を含む): 32271360

約数和(自身を除く): 12152583

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50423, 151269, 352961, 958037, 1058883, 2874111, 6706259, 20118777]

約数ペア:

[(1, 20118777), (3, 6706259), (7, 2874111), (19, 1058883), (21, 958037), (57, 352961), (133, 151269), (399, 50423)]