20883268

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18191}}^1$

素因数の和:18243

約数の個数: 24

約数和(自身を含む): 42787584

約数和(自身を除く): 21904316

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18191, 36382, 72764, 127337, 254674, 509348, 745831, 1491662, 2983324, 5220817, 10441634, 20883268]

約数ペア:

[(1, 20883268), (2, 10441634), (4, 5220817), (7, 2983324), (14, 1491662), (28, 745831), (41, 509348), (82, 254674), (164, 127337), (287, 72764), (574, 36382), (1148, 18191)]