20107791

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12839409

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 857, 869, 2133, 2571, 2607, 7713, 7821, 9427, 23139, 23463, 28281, 67703, 84843, 203109, 254529, 609327, 744733, 1827981, 2234199, 6702597, 20107791]

約数ペア:

[(1, 20107791), (3, 6702597), (9, 2234199), (11, 1827981), (27, 744733), (33, 609327), (79, 254529), (99, 203109), (237, 84843), (297, 67703), (711, 28281), (857, 23463), (869, 23139), (2133, 9427), (2571, 7821), (2607, 7713)]