20405426

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5867}}^1$

素因数の和:5953

約数の個数: 16

約数和(自身を含む): 32109696

約数和(自身を除く): 11704270

約数列:

[1, 2, 37, 47, 74, 94, 1739, 3478, 5867, 11734, 217079, 275749, 434158, 551498, 10202713, 20405426]

約数ペア:

[(1, 20405426), (2, 10202713), (37, 551498), (47, 434158), (74, 275749), (94, 217079), (1739, 11734), (3478, 5867)]