20131475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8849}}^1$

素因数の和:8879

約数の個数: 24

約数和(自身を含む): 30727200

約数和(自身を除く): 10595725

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8849, 44245, 61943, 115037, 221225, 309715, 575185, 805259, 1548575, 2875925, 4026295, 20131475]

約数ペア:

[(1, 20131475), (5, 4026295), (7, 2875925), (13, 1548575), (25, 805259), (35, 575185), (65, 309715), (91, 221225), (175, 115037), (325, 61943), (455, 44245), (2275, 8849)]