20938338

素因数分解:

$2^1\times 3^7\times {\mathrm{4787}}^1$

素因数の和:4810

約数の個数: 32

約数和(自身を含む): 47113920

約数和(自身を除く): 26175582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4787, 9574, 14361, 28722, 43083, 86166, 129249, 258498, 387747, 775494, 1163241, 2326482, 3489723, 6979446, 10469169, 20938338]

約数ペア:

[(1, 20938338), (2, 10469169), (3, 6979446), (6, 3489723), (9, 2326482), (18, 1163241), (27, 775494), (54, 387747), (81, 258498), (162, 129249), (243, 86166), (486, 43083), (729, 28722), (1458, 14361), (2187, 9574), (4374, 4787)]