20703000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 66193920

約数和(自身を除く): 45490920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 67, 75, 100, 103, 120, 125, 134, 150, 200, 201, 206, 250, 268, 300, 309, 335, 375, 402, 412, 500, 515, 536, 600, 618, 670, 750, 804, 824, 1000, 1005, 1030, 1236, 1340, 1500, 1545, 1608, 1675, 2010, 2060, 2472, 2575, 2680, 3000, 3090, 3350, 4020, 4120, 5025, 5150, 6180, 6700, 6901, 7725, 8040, 8375, 10050, 10300, 12360, 12875, 13400, 13802, 15450, 16750, 20100, 20600, 20703, 25125, 25750, 27604, 30900, 33500, 34505, 38625, 40200, 41406, 50250, 51500, 55208, 61800, 67000, 69010, 77250, 82812, 100500, 103000, 103515, 138020, 154500, 165624, 172525, 201000, 207030, 276040, 309000, 345050, 414060, 517575, 690100, 828120, 862625, 1035150, 1380200, 1725250, 2070300, 2587875, 3450500, 4140600, 5175750, 6901000, 10351500, 20703000]

約数ペア:

[(1, 20703000), (2, 10351500), (3, 6901000), (4, 5175750), (5, 4140600), (6, 3450500), (8, 2587875), (10, 2070300), (12, 1725250), (15, 1380200), (20, 1035150), (24, 862625), (25, 828120), (30, 690100), (40, 517575), (50, 414060), (60, 345050), (67, 309000), (75, 276040), (100, 207030), (103, 201000), (120, 172525), (125, 165624), (134, 154500), (150, 138020), (200, 103515), (201, 103000), (206, 100500), (250, 82812), (268, 77250), (300, 69010), (309, 67000), (335, 61800), (375, 55208), (402, 51500), (412, 50250), (500, 41406), (515, 40200), (536, 38625), (600, 34505), (618, 33500), (670, 30900), (750, 27604), (804, 25750), (824, 25125), (1000, 20703), (1005, 20600), (1030, 20100), (1236, 16750), (1340, 15450), (1500, 13802), (1545, 13400), (1608, 12875), (1675, 12360), (2010, 10300), (2060, 10050), (2472, 8375), (2575, 8040), (2680, 7725), (3000, 6901), (3090, 6700), (3350, 6180), (4020, 5150), (4120, 5025)]