20340496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115571}}^1$

素因数の和:115590

約数の個数: 20

約数和(自身を含む): 42992784

約数和(自身を除く): 22652288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115571, 231142, 462284, 924568, 1271281, 1849136, 2542562, 5085124, 10170248, 20340496]

約数ペア:

[(1, 20340496), (2, 10170248), (4, 5085124), (8, 2542562), (11, 1849136), (16, 1271281), (22, 924568), (44, 462284), (88, 231142), (176, 115571)]