20734000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1481}}^1$

素因数の和:1511

約数の個数: 80

約数和(自身を含む): 57335616

約数和(自身を除く): 36601616

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, 1481, 1750, 2000, 2800, 2962, 3500, 5924, 7000, 7405, 10367, 11848, 14000, 14810, 20734, 23696, 29620, 37025, 41468, 51835, 59240, 74050, 82936, 103670, 118480, 148100, 165872, 185125, 207340, 259175, 296200, 370250, 414680, 518350, 592400, 740500, 829360, 1036700, 1295875, 1481000, 2073400, 2591750, 2962000, 4146800, 5183500, 10367000, 20734000]

約数ペア:

[(1, 20734000), (2, 10367000), (4, 5183500), (5, 4146800), (7, 2962000), (8, 2591750), (10, 2073400), (14, 1481000), (16, 1295875), (20, 1036700), (25, 829360), (28, 740500), (35, 592400), (40, 518350), (50, 414680), (56, 370250), (70, 296200), (80, 259175), (100, 207340), (112, 185125), (125, 165872), (140, 148100), (175, 118480), (200, 103670), (250, 82936), (280, 74050), (350, 59240), (400, 51835), (500, 41468), (560, 37025), (700, 29620), (875, 23696), (1000, 20734), (1400, 14810), (1481, 14000), (1750, 11848), (2000, 10367), (2800, 7405), (2962, 7000), (3500, 5924)]