20173066225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{30713}}^1$

素因数の和:30826

約数の個数: 48

約数和(自身を含む): 28152698112

約数和(自身を除く): 7979631887

約数列:

[1, 5, 13, 25, 43, 47, 65, 215, 235, 325, 559, 611, 1075, 1175, 2021, 2795, 3055, 10105, 13975, 15275, 26273, 30713, 50525, 131365, 153565, 399269, 656825, 767825, 1320659, 1443511, 1996345, 6603295, 7217555, 9981725, 17168567, 18765643, 33016475, 36087775, 62070973, 85842835, 93828215, 310354865, 429214175, 469141075, 806922649, 1551774325, 4034613245, 20173066225]

約数ペア:

[(1, 20173066225), (5, 4034613245), (13, 1551774325), (25, 806922649), (43, 469141075), (47, 429214175), (65, 310354865), (215, 93828215), (235, 85842835), (325, 62070973), (559, 36087775), (611, 33016475), (1075, 18765643), (1175, 17168567), (2021, 9981725), (2795, 7217555), (3055, 6603295), (10105, 1996345), (13975, 1443511), (15275, 1320659), (26273, 767825), (30713, 656825), (50525, 399269), (131365, 153565)]