20846000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1519

約数の個数: 80

約数和(自身を含む): 57645120

約数和(自身を除く): 36799120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1489, 1750, 2000, 2800, 2978, 3500, 5956, 7000, 7445, 10423, 11912, 14000, 14890, 20846, 23824, 29780, 37225, 41692, 52115, 59560, 74450, 83384, 104230, 119120, 148900, 166768, 186125, 208460, 260575, 297800, 372250, 416920, 521150, 595600, 744500, 833840, 1042300, 1302875, 1489000, 2084600, 2605750, 2978000, 4169200, 5211500, 10423000, 20846000]

約数ペア:

[(1, 20846000), (2, 10423000), (4, 5211500), (5, 4169200), (7, 2978000), (8, 2605750), (10, 2084600), (14, 1489000), (16, 1302875), (20, 1042300), (25, 833840), (28, 744500), (35, 595600), (40, 521150), (50, 416920), (56, 372250), (70, 297800), (80, 260575), (100, 208460), (112, 186125), (125, 166768), (140, 148900), (175, 119120), (200, 104230), (250, 83384), (280, 74450), (350, 59560), (400, 52115), (500, 41692), (560, 37225), (700, 29780), (875, 23824), (1000, 20846), (1400, 14890), (1489, 14000), (1750, 11912), (2000, 10423), (2800, 7445), (2978, 7000), (3500, 5956)]