20286525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 40604544

約数和(自身を除く): 20318019

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2273, 2975, 6819, 8925, 11365, 15911, 34095, 38641, 47733, 56825, 79555, 115923, 170475, 193205, 238665, 270487, 397775, 579615, 811461, 966025, 1193325, 1352435, 2898075, 4057305, 6762175, 20286525]

約数ペア:

[(1, 20286525), (3, 6762175), (5, 4057305), (7, 2898075), (15, 1352435), (17, 1193325), (21, 966025), (25, 811461), (35, 579615), (51, 397775), (75, 270487), (85, 238665), (105, 193205), (119, 170475), (175, 115923), (255, 79555), (357, 56825), (425, 47733), (525, 38641), (595, 34095), (1275, 15911), (1785, 11365), (2273, 8925), (2975, 6819)]