20652867

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 32563200

約数和(自身を除く): 11910333

約数列:

[1, 3, 9, 19, 27, 57, 127, 171, 317, 381, 513, 951, 1143, 2413, 2853, 3429, 6023, 7239, 8559, 18069, 21717, 40259, 54207, 65151, 120777, 162621, 362331, 764921, 1086993, 2294763, 6884289, 20652867]

約数ペア:

[(1, 20652867), (3, 6884289), (9, 2294763), (19, 1086993), (27, 764921), (57, 362331), (127, 162621), (171, 120777), (317, 65151), (381, 54207), (513, 40259), (951, 21717), (1143, 18069), (2413, 8559), (2853, 7239), (3429, 6023)]