20632500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{131}}^1$

素因数の和:168

約数の個数: 180

約数和(自身を含む): 75050976

約数和(自身を除く): 54418476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 131, 140, 150, 175, 180, 210, 225, 250, 252, 262, 300, 315, 350, 375, 393, 420, 450, 500, 524, 525, 625, 630, 655, 700, 750, 786, 875, 900, 917, 1050, 1125, 1179, 1250, 1260, 1310, 1500, 1572, 1575, 1750, 1834, 1875, 1965, 2100, 2250, 2358, 2500, 2620, 2625, 2751, 3150, 3275, 3500, 3668, 3750, 3930, 4375, 4500, 4585, 4716, 5250, 5502, 5625, 5895, 6300, 6550, 7500, 7860, 7875, 8253, 8750, 9170, 9825, 10500, 11004, 11250, 11790, 13100, 13125, 13755, 15750, 16375, 16506, 17500, 18340, 19650, 22500, 22925, 23580, 26250, 27510, 29475, 31500, 32750, 33012, 39300, 39375, 41265, 45850, 49125, 52500, 55020, 58950, 65500, 68775, 78750, 81875, 82530, 91700, 98250, 114625, 117900, 137550, 147375, 157500, 163750, 165060, 196500, 206325, 229250, 245625, 275100, 294750, 327500, 343875, 412650, 458500, 491250, 573125, 589500, 687750, 736875, 825300, 982500, 1031625, 1146250, 1375500, 1473750, 1719375, 2063250, 2292500, 2947500, 3438750, 4126500, 5158125, 6877500, 10316250, 20632500]

約数ペア:

[(1, 20632500), (2, 10316250), (3, 6877500), (4, 5158125), (5, 4126500), (6, 3438750), (7, 2947500), (9, 2292500), (10, 2063250), (12, 1719375), (14, 1473750), (15, 1375500), (18, 1146250), (20, 1031625), (21, 982500), (25, 825300), (28, 736875), (30, 687750), (35, 589500), (36, 573125), (42, 491250), (45, 458500), (50, 412650), (60, 343875), (63, 327500), (70, 294750), (75, 275100), (84, 245625), (90, 229250), (100, 206325), (105, 196500), (125, 165060), (126, 163750), (131, 157500), (140, 147375), (150, 137550), (175, 117900), (180, 114625), (210, 98250), (225, 91700), (250, 82530), (252, 81875), (262, 78750), (300, 68775), (315, 65500), (350, 58950), (375, 55020), (393, 52500), (420, 49125), (450, 45850), (500, 41265), (524, 39375), (525, 39300), (625, 33012), (630, 32750), (655, 31500), (700, 29475), (750, 27510), (786, 26250), (875, 23580), (900, 22925), (917, 22500), (1050, 19650), (1125, 18340), (1179, 17500), (1250, 16506), (1260, 16375), (1310, 15750), (1500, 13755), (1572, 13125), (1575, 13100), (1750, 11790), (1834, 11250), (1875, 11004), (1965, 10500), (2100, 9825), (2250, 9170), (2358, 8750), (2500, 8253), (2620, 7875), (2625, 7860), (2751, 7500), (3150, 6550), (3275, 6300), (3500, 5895), (3668, 5625), (3750, 5502), (3930, 5250), (4375, 4716), (4500, 4585)]