20340418

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 36691200

約数和(自身を除く): 16350782

約数列:

[1, 2, 7, 14, 23, 46, 161, 181, 322, 349, 362, 698, 1267, 2443, 2534, 4163, 4886, 8027, 8326, 16054, 29141, 56189, 58282, 63169, 112378, 126338, 442183, 884366, 1452887, 2905774, 10170209, 20340418]

約数ペア:

[(1, 20340418), (2, 10170209), (7, 2905774), (14, 1452887), (23, 884366), (46, 442183), (161, 126338), (181, 112378), (322, 63169), (349, 58282), (362, 56189), (698, 29141), (1267, 16054), (2443, 8326), (2534, 8027), (4163, 4886)]