20830406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8629}}^1$

素因数の和:8719

約数の個数: 16

約数和(自身を含む): 33553440

約数和(自身を除く): 12723034

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8629, 17258, 146693, 293386, 612659, 1225318, 10415203, 20830406]

約数ペア:

[(1, 20830406), (2, 10415203), (17, 1225318), (34, 612659), (71, 293386), (142, 146693), (1207, 17258), (2414, 8629)]