20163893571

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{102121}}^1$

素因数の和:102304

約数の個数: 32

約数和(自身を含む): 30587581440

約数和(自身を除く): 10423687869

約数列:

[1, 3, 9, 27, 71, 103, 213, 309, 639, 927, 1917, 2781, 7313, 21939, 65817, 102121, 197451, 306363, 919089, 2757267, 7250591, 10518463, 21751773, 31555389, 65255319, 94666167, 195765957, 283998501, 746810873, 2240432619, 6721297857, 20163893571]

約数ペア:

[(1, 20163893571), (3, 6721297857), (9, 2240432619), (27, 746810873), (71, 283998501), (103, 195765957), (213, 94666167), (309, 65255319), (639, 31555389), (927, 21751773), (1917, 10518463), (2781, 7250591), (7313, 2757267), (21939, 919089), (65817, 306363), (102121, 197451)]