20521606

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 36498240

約数和(自身を除く): 15976634

約数列:

[1, 2, 7, 14, 37, 74, 173, 229, 259, 346, 458, 518, 1211, 1603, 2422, 3206, 6401, 8473, 12802, 16946, 39617, 44807, 59311, 79234, 89614, 118622, 277319, 554638, 1465829, 2931658, 10260803, 20521606]

約数ペア:

[(1, 20521606), (2, 10260803), (7, 2931658), (14, 1465829), (37, 554638), (74, 277319), (173, 118622), (229, 89614), (259, 79234), (346, 59311), (458, 44807), (518, 39617), (1211, 16946), (1603, 12802), (2422, 8473), (3206, 6401)]