201920816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{124951}}^1$

素因数の和:125060

約数の個数: 20

約数和(自身を含む): 395098224

約数和(自身を除く): 193177408

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 124951, 249902, 499804, 999608, 1999216, 12620051, 25240102, 50480204, 100960408, 201920816]

約数ペア:

[(1, 201920816), (2, 100960408), (4, 50480204), (8, 25240102), (16, 12620051), (101, 1999216), (202, 999608), (404, 499804), (808, 249902), (1616, 124951)]