20841000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6947}}^1$

素因数の和:6971

約数の個数: 64

約数和(自身を含む): 65033280

約数和(自身を除く): 44192280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6947, 13894, 20841, 27788, 34735, 41682, 55576, 69470, 83364, 104205, 138940, 166728, 173675, 208410, 277880, 347350, 416820, 521025, 694700, 833640, 868375, 1042050, 1389400, 1736750, 2084100, 2605125, 3473500, 4168200, 5210250, 6947000, 10420500, 20841000]

約数ペア:

[(1, 20841000), (2, 10420500), (3, 6947000), (4, 5210250), (5, 4168200), (6, 3473500), (8, 2605125), (10, 2084100), (12, 1736750), (15, 1389400), (20, 1042050), (24, 868375), (25, 833640), (30, 694700), (40, 521025), (50, 416820), (60, 347350), (75, 277880), (100, 208410), (120, 173675), (125, 166728), (150, 138940), (200, 104205), (250, 83364), (300, 69470), (375, 55576), (500, 41682), (600, 34735), (750, 27788), (1000, 20841), (1500, 13894), (3000, 6947)]