20186417080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317197}}^1$

素因数の和:317288

約数の個数: 64

約数和(自身を含む): 47731955040

約数和(自身を除く): 27545537960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 12728, 15910, 31820, 63640, 317197, 634394, 1268788, 1585985, 2537576, 3171970, 6343940, 11736289, 12687880, 13639471, 23472578, 27278942, 46945156, 54557884, 58681445, 68197355, 93890312, 109115768, 117362890, 136394710, 234725780, 272789420, 469451560, 504660427, 545578840, 1009320854, 2018641708, 2523302135, 4037283416, 5046604270, 10093208540, 20186417080]

約数ペア:

[(1, 20186417080), (2, 10093208540), (4, 5046604270), (5, 4037283416), (8, 2523302135), (10, 2018641708), (20, 1009320854), (37, 545578840), (40, 504660427), (43, 469451560), (74, 272789420), (86, 234725780), (148, 136394710), (172, 117362890), (185, 109115768), (215, 93890312), (296, 68197355), (344, 58681445), (370, 54557884), (430, 46945156), (740, 27278942), (860, 23472578), (1480, 13639471), (1591, 12687880), (1720, 11736289), (3182, 6343940), (6364, 3171970), (7955, 2537576), (12728, 1585985), (15910, 1268788), (31820, 634394), (63640, 317197)]