20172090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 50211072

約数和(自身を除く): 30038982

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 73, 122, 146, 151, 183, 219, 302, 305, 365, 366, 438, 453, 610, 730, 755, 906, 915, 1095, 1510, 1830, 2190, 2265, 4453, 4530, 8906, 9211, 11023, 13359, 18422, 22046, 22265, 26718, 27633, 33069, 44530, 46055, 55115, 55266, 66138, 66795, 92110, 110230, 133590, 138165, 165345, 276330, 330690, 672403, 1344806, 2017209, 3362015, 4034418, 6724030, 10086045, 20172090]

約数ペア:

[(1, 20172090), (2, 10086045), (3, 6724030), (5, 4034418), (6, 3362015), (10, 2017209), (15, 1344806), (30, 672403), (61, 330690), (73, 276330), (122, 165345), (146, 138165), (151, 133590), (183, 110230), (219, 92110), (302, 66795), (305, 66138), (365, 55266), (366, 55115), (438, 46055), (453, 44530), (610, 33069), (730, 27633), (755, 26718), (906, 22265), (915, 22046), (1095, 18422), (1510, 13359), (1830, 11023), (2190, 9211), (2265, 8906), (4453, 4530)]