20090138719

素因数分解:

$7^3\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{1933}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 23712387200

約数和(自身を除く): 3622248481

約数列:

[1, 7, 49, 157, 193, 343, 1099, 1351, 1933, 7693, 9457, 13531, 30301, 53851, 66199, 94717, 212107, 303481, 373069, 663019, 1484749, 2124367, 2611483, 10393243, 14870569, 18280381, 58571833, 104093983, 127962667, 410002831, 2870019817, 20090138719]

約数ペア:

[(1, 20090138719), (7, 2870019817), (49, 410002831), (157, 127962667), (193, 104093983), (343, 58571833), (1099, 18280381), (1351, 14870569), (1933, 10393243), (7693, 2611483), (9457, 2124367), (13531, 1484749), (30301, 663019), (53851, 373069), (66199, 303481), (94717, 212107)]