20943438

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 42861312

約数和(自身を除く): 21917874

約数列:

[1, 2, 3, 6, 71, 142, 211, 213, 233, 422, 426, 466, 633, 699, 1266, 1398, 14981, 16543, 29962, 33086, 44943, 49163, 49629, 89886, 98326, 99258, 147489, 294978, 3490573, 6981146, 10471719, 20943438]

約数ペア:

[(1, 20943438), (2, 10471719), (3, 6981146), (6, 3490573), (71, 294978), (142, 147489), (211, 99258), (213, 98326), (233, 89886), (422, 49629), (426, 49163), (466, 44943), (633, 33086), (699, 29962), (1266, 16543), (1398, 14981)]