20175491425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{2069}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 26292245760

約数和(自身を除く): 6116754335

約数列:

[1, 5, 25, 43, 47, 193, 215, 235, 965, 1075, 1175, 2021, 2069, 4825, 8299, 9071, 10105, 10345, 41495, 45355, 50525, 51725, 88967, 97243, 207475, 226775, 390053, 399317, 444835, 486215, 1950265, 1996585, 2224175, 2431075, 4181449, 9751325, 9982925, 17170631, 18767899, 20907245, 85853155, 93839495, 104536225, 429265775, 469197475, 807019657, 4035098285, 20175491425]

約数ペア:

[(1, 20175491425), (5, 4035098285), (25, 807019657), (43, 469197475), (47, 429265775), (193, 104536225), (215, 93839495), (235, 85853155), (965, 20907245), (1075, 18767899), (1175, 17170631), (2021, 9982925), (2069, 9751325), (4825, 4181449), (8299, 2431075), (9071, 2224175), (10105, 1996585), (10345, 1950265), (41495, 486215), (45355, 444835), (50525, 399317), (51725, 390053), (88967, 226775), (97243, 207475)]