20219426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9749}}^1$

素因数の和:9829

約数の個数: 16

約数和(自身を含む): 32643000

約数和(自身を除く): 12423574

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9749, 19498, 165733, 331466, 594689, 1189378, 10109713, 20219426]

約数ペア:

[(1, 20219426), (2, 10109713), (17, 1189378), (34, 594689), (61, 331466), (122, 165733), (1037, 19498), (2074, 9749)]