20417250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{3889}}^1$

素因数の和:3916

約数の個数: 64

約数和(自身を含む): 58256640

約数和(自身を除く): 37839390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 3889, 5250, 7778, 11667, 19445, 23334, 27223, 38890, 54446, 58335, 81669, 97225, 116670, 136115, 163338, 194450, 272230, 291675, 408345, 486125, 583350, 680575, 816690, 972250, 1361150, 1458375, 2041725, 2916750, 3402875, 4083450, 6805750, 10208625, 20417250]

約数ペア:

[(1, 20417250), (2, 10208625), (3, 6805750), (5, 4083450), (6, 3402875), (7, 2916750), (10, 2041725), (14, 1458375), (15, 1361150), (21, 972250), (25, 816690), (30, 680575), (35, 583350), (42, 486125), (50, 408345), (70, 291675), (75, 272230), (105, 194450), (125, 163338), (150, 136115), (175, 116670), (210, 97225), (250, 81669), (350, 58335), (375, 54446), (525, 38890), (750, 27223), (875, 23334), (1050, 19445), (1750, 11667), (2625, 7778), (3889, 5250)]