20454210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32467}}^1$

素因数の和:32487

約数の個数: 48

約数和(自身を含む): 60780096

約数和(自身を除く): 40325886

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32467, 64934, 97401, 162335, 194802, 227269, 292203, 324670, 454538, 487005, 584406, 681807, 974010, 1136345, 1363614, 1461015, 2045421, 2272690, 2922030, 3409035, 4090842, 6818070, 10227105, 20454210]

約数ペア:

[(1, 20454210), (2, 10227105), (3, 6818070), (5, 4090842), (6, 3409035), (7, 2922030), (9, 2272690), (10, 2045421), (14, 1461015), (15, 1363614), (18, 1136345), (21, 974010), (30, 681807), (35, 584406), (42, 487005), (45, 454538), (63, 324670), (70, 292203), (90, 227269), (105, 194802), (126, 162335), (210, 97401), (315, 64934), (630, 32467)]