20392666

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23879}}^1$

素因数の和:23949

約数の個数: 16

約数和(自身を含む): 35533440

約数和(自身を除く): 15140774

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23879, 47758, 167153, 334306, 1456619, 2913238, 10196333, 20392666]

約数ペア:

[(1, 20392666), (2, 10196333), (7, 2913238), (14, 1456619), (61, 334306), (122, 167153), (427, 47758), (854, 23879)]