20433904

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9749}}^1$

素因数の和:9888

約数の個数: 20

約数和(自身を含む): 39897000

約数和(自身を除く): 19463096

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9749, 19498, 38996, 77992, 155984, 1277119, 2554238, 5108476, 10216952, 20433904]

約数ペア:

[(1, 20433904), (2, 10216952), (4, 5108476), (8, 2554238), (16, 1277119), (131, 155984), (262, 77992), (524, 38996), (1048, 19498), (2096, 9749)]