20658806

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5879}}^1$

素因数の和:6139

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 14903434

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5879, 11758, 41153, 82306, 1475629, 2951258, 10329403, 20658806]

約数ペア:

[(1, 20658806), (2, 10329403), (7, 2951258), (14, 1475629), (251, 82306), (502, 41153), (1757, 11758), (3514, 5879)]