20892441

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 9900519

約数列:

[1, 3, 23, 29, 53, 69, 87, 159, 197, 591, 667, 1219, 1537, 2001, 3657, 4531, 4611, 5713, 10441, 13593, 17139, 31323, 35351, 106053, 131399, 240143, 302789, 394197, 720429, 908367, 6964147, 20892441]

約数ペア:

[(1, 20892441), (3, 6964147), (23, 908367), (29, 720429), (53, 394197), (69, 302789), (87, 240143), (159, 131399), (197, 106053), (591, 35351), (667, 31323), (1219, 17139), (1537, 13593), (2001, 10441), (3657, 5713), (4531, 4611)]