2020177887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{10709}}^1$

素因数の和:11423

約数の個数: 32

約数和(自身を含む): 3320271360

約数和(自身を除く): 1300093473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 691, 2073, 4837, 8983, 10709, 14511, 26949, 32127, 62881, 74963, 139217, 188643, 224889, 417651, 974519, 2923557, 7399919, 22199757, 51799433, 96198947, 155398299, 288596841, 673392629, 2020177887]

約数ペア:

[(1, 2020177887), (3, 673392629), (7, 288596841), (13, 155398299), (21, 96198947), (39, 51799433), (91, 22199757), (273, 7399919), (691, 2923557), (2073, 974519), (4837, 417651), (8983, 224889), (10709, 188643), (14511, 139217), (26949, 74963), (32127, 62881)]