20705422

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 34309440

約数和(自身を除く): 13604018

約数列:

[1, 2, 17, 34, 37, 74, 109, 151, 218, 302, 629, 1258, 1853, 2567, 3706, 4033, 5134, 5587, 8066, 11174, 16459, 32918, 68561, 94979, 137122, 189958, 279803, 559606, 608983, 1217966, 10352711, 20705422]

約数ペア:

[(1, 20705422), (2, 10352711), (17, 1217966), (34, 608983), (37, 559606), (74, 279803), (109, 189958), (151, 137122), (218, 94979), (302, 68561), (629, 32918), (1258, 16459), (1853, 11174), (2567, 8066), (3706, 5587), (4033, 5134)]