20280026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14717}}^1$

素因数の和:14785

約数の個数: 16

約数和(自身を含む): 33380424

約数和(自身を除く): 13100398

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14717, 29434, 191321, 382642, 780001, 1560002, 10140013, 20280026]

約数ペア:

[(1, 20280026), (2, 10140013), (13, 1560002), (26, 780001), (53, 382642), (106, 191321), (689, 29434), (1378, 14717)]