20553806

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3696

約数の個数: 32

約数和(自身を含む): 39180288

約数和(自身を除く): 18626482

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3643, 5642, 7286, 25501, 47359, 51002, 94718, 112933, 225866, 331513, 663026, 790531, 1468129, 1581062, 2936258, 10276903, 20553806]

約数ペア:

[(1, 20553806), (2, 10276903), (7, 2936258), (13, 1581062), (14, 1468129), (26, 790531), (31, 663026), (62, 331513), (91, 225866), (182, 112933), (217, 94718), (403, 51002), (434, 47359), (806, 25501), (2821, 7286), (3643, 5642)]