20009306874

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{247781}}^1$

素因数の和:248142

約数の個数: 32

約数和(自身を含む): 41080273344

約数和(自身を除く): 21070966470

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 313, 626, 939, 1878, 13459, 26918, 40377, 80754, 247781, 495562, 743343, 1486686, 10654583, 21309166, 31963749, 63927498, 77555453, 155110906, 232666359, 465332718, 3334884479, 6669768958, 10004653437, 20009306874]

約数ペア:

[(1, 20009306874), (2, 10004653437), (3, 6669768958), (6, 3334884479), (43, 465332718), (86, 232666359), (129, 155110906), (258, 77555453), (313, 63927498), (626, 31963749), (939, 21309166), (1878, 10654583), (13459, 1486686), (26918, 743343), (40377, 495562), (80754, 247781)]