20649262

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9551}}^1$

素因数の和:9623

約数の個数: 16

約数和(自身を含む): 33011712

約数和(自身を除く): 12362450

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9551, 19102, 219673, 439346, 448897, 897794, 10324631, 20649262]

約数ペア:

[(1, 20649262), (2, 10324631), (23, 897794), (46, 448897), (47, 439346), (94, 219673), (1081, 19102), (2162, 9551)]