20165248

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 40395060

約数和(自身を除く): 20229812

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 613, 1028, 1226, 2056, 2452, 4112, 4904, 8224, 9808, 16448, 19616, 32896, 39232, 78464, 157541, 315082, 630164, 1260328, 2520656, 5041312, 10082624, 20165248]

約数ペア:

[(1, 20165248), (2, 10082624), (4, 5041312), (8, 2520656), (16, 1260328), (32, 630164), (64, 315082), (128, 157541), (257, 78464), (514, 39232), (613, 32896), (1028, 19616), (1226, 16448), (2056, 9808), (2452, 8224), (4112, 4904)]