20048950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 40042080

約数和(自身を除く): 19993130

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 170, 206, 229, 425, 458, 515, 850, 1030, 1145, 1751, 2290, 2575, 3502, 3893, 5150, 5725, 7786, 8755, 11450, 17510, 19465, 23587, 38930, 43775, 47174, 87550, 97325, 117935, 194650, 235870, 400979, 589675, 801958, 1179350, 2004895, 4009790, 10024475, 20048950]

約数ペア:

[(1, 20048950), (2, 10024475), (5, 4009790), (10, 2004895), (17, 1179350), (25, 801958), (34, 589675), (50, 400979), (85, 235870), (103, 194650), (170, 117935), (206, 97325), (229, 87550), (425, 47174), (458, 43775), (515, 38930), (850, 23587), (1030, 19465), (1145, 17510), (1751, 11450), (2290, 8755), (2575, 7786), (3502, 5725), (3893, 5150)]