20168700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 43160580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 37, 46, 50, 60, 69, 74, 75, 79, 92, 100, 111, 115, 138, 148, 150, 158, 185, 222, 230, 237, 276, 300, 316, 345, 370, 395, 444, 460, 474, 555, 575, 690, 740, 790, 851, 925, 948, 1110, 1150, 1185, 1380, 1580, 1702, 1725, 1817, 1850, 1975, 2220, 2300, 2370, 2553, 2775, 2923, 3404, 3450, 3634, 3700, 3950, 4255, 4740, 5106, 5451, 5550, 5846, 5925, 6900, 7268, 7900, 8510, 8769, 9085, 10212, 10902, 11100, 11692, 11850, 12765, 14615, 17020, 17538, 18170, 21275, 21804, 23700, 25530, 27255, 29230, 35076, 36340, 42550, 43845, 45425, 51060, 54510, 58460, 63825, 67229, 73075, 85100, 87690, 90850, 109020, 127650, 134458, 136275, 146150, 175380, 181700, 201687, 219225, 255300, 268916, 272550, 292300, 336145, 403374, 438450, 545100, 672290, 806748, 876900, 1008435, 1344580, 1680725, 2016870, 3361450, 4033740, 5042175, 6722900, 10084350, 20168700]

約数ペア:

[(1, 20168700), (2, 10084350), (3, 6722900), (4, 5042175), (5, 4033740), (6, 3361450), (10, 2016870), (12, 1680725), (15, 1344580), (20, 1008435), (23, 876900), (25, 806748), (30, 672290), (37, 545100), (46, 438450), (50, 403374), (60, 336145), (69, 292300), (74, 272550), (75, 268916), (79, 255300), (92, 219225), (100, 201687), (111, 181700), (115, 175380), (138, 146150), (148, 136275), (150, 134458), (158, 127650), (185, 109020), (222, 90850), (230, 87690), (237, 85100), (276, 73075), (300, 67229), (316, 63825), (345, 58460), (370, 54510), (395, 51060), (444, 45425), (460, 43845), (474, 42550), (555, 36340), (575, 35076), (690, 29230), (740, 27255), (790, 25530), (851, 23700), (925, 21804), (948, 21275), (1110, 18170), (1150, 17538), (1185, 17020), (1380, 14615), (1580, 12765), (1702, 11850), (1725, 11692), (1817, 11100), (1850, 10902), (1975, 10212), (2220, 9085), (2300, 8769), (2370, 8510), (2553, 7900), (2775, 7268), (2923, 6900), (3404, 5925), (3450, 5846), (3634, 5550), (3700, 5451), (3950, 5106), (4255, 4740)]