20734490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4502

約数の個数: 32

約数和(自身を含む): 43300224

約数和(自身を除く): 22565734

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4421, 4690, 8842, 22105, 30947, 44210, 61894, 154735, 296207, 309470, 592414, 1481035, 2073449, 2962070, 4146898, 10367245, 20734490]

約数ペア:

[(1, 20734490), (2, 10367245), (5, 4146898), (7, 2962070), (10, 2073449), (14, 1481035), (35, 592414), (67, 309470), (70, 296207), (134, 154735), (335, 61894), (469, 44210), (670, 30947), (938, 22105), (2345, 8842), (4421, 4690)]