2006992816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1241951}}^1$

素因数の和:1242060

約数の個数: 20

約数和(自身を含む): 3927052224

約数和(自身を除く): 1920059408

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1241951, 2483902, 4967804, 9935608, 19871216, 125437051, 250874102, 501748204, 1003496408, 2006992816]

約数ペア:

[(1, 2006992816), (2, 1003496408), (4, 501748204), (8, 250874102), (16, 125437051), (101, 19871216), (202, 9935608), (404, 4967804), (808, 2483902), (1616, 1241951)]