20964350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 43497216

約数和(自身を除く): 22532866

約数列:

[1, 2, 5, 10, 11, 22, 25, 47, 50, 55, 94, 110, 235, 275, 470, 517, 550, 811, 1034, 1175, 1622, 2350, 2585, 4055, 5170, 8110, 8921, 12925, 17842, 20275, 25850, 38117, 40550, 44605, 76234, 89210, 190585, 223025, 381170, 419287, 446050, 838574, 952925, 1905850, 2096435, 4192870, 10482175, 20964350]

約数ペア:

[(1, 20964350), (2, 10482175), (5, 4192870), (10, 2096435), (11, 1905850), (22, 952925), (25, 838574), (47, 446050), (50, 419287), (55, 381170), (94, 223025), (110, 190585), (235, 89210), (275, 76234), (470, 44605), (517, 40550), (550, 38117), (811, 25850), (1034, 20275), (1175, 17842), (1622, 12925), (2350, 8921), (2585, 8110), (4055, 5170)]