20506290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97649}}^1$

素因数の和:97666

約数の個数: 32

約数和(自身を含む): 56246400

約数和(自身を除く): 35740110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97649, 195298, 292947, 488245, 585894, 683543, 976490, 1367086, 1464735, 2050629, 2929470, 3417715, 4101258, 6835430, 10253145, 20506290]

約数ペア:

[(1, 20506290), (2, 10253145), (3, 6835430), (5, 4101258), (6, 3417715), (7, 2929470), (10, 2050629), (14, 1464735), (15, 1367086), (21, 976490), (30, 683543), (35, 585894), (42, 488245), (70, 292947), (105, 195298), (210, 97649)]