20893500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4643}}^1$

素因数の和:4668

約数の個数: 72

約数和(自身を含む): 65926224

約数和(自身を除く): 45032724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4643, 9286, 13929, 18572, 23215, 27858, 41787, 46430, 55716, 69645, 83574, 92860, 116075, 139290, 167148, 208935, 232150, 278580, 348225, 417870, 464300, 580375, 696450, 835740, 1044675, 1160750, 1392900, 1741125, 2089350, 2321500, 3482250, 4178700, 5223375, 6964500, 10446750, 20893500]

約数ペア:

[(1, 20893500), (2, 10446750), (3, 6964500), (4, 5223375), (5, 4178700), (6, 3482250), (9, 2321500), (10, 2089350), (12, 1741125), (15, 1392900), (18, 1160750), (20, 1044675), (25, 835740), (30, 696450), (36, 580375), (45, 464300), (50, 417870), (60, 348225), (75, 278580), (90, 232150), (100, 208935), (125, 167148), (150, 139290), (180, 116075), (225, 92860), (250, 83574), (300, 69645), (375, 55716), (450, 46430), (500, 41787), (750, 27858), (900, 23215), (1125, 18572), (1500, 13929), (2250, 9286), (4500, 4643)]