20011509

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{937}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 34218240

約数和(自身を除く): 14206731

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 937, 1017, 2373, 2811, 3051, 6559, 7119, 8433, 19677, 21357, 25299, 59031, 105881, 177093, 317643, 741167, 952929, 2223501, 2858787, 6670503, 20011509]

約数ペア:

[(1, 20011509), (3, 6670503), (7, 2858787), (9, 2223501), (21, 952929), (27, 741167), (63, 317643), (113, 177093), (189, 105881), (339, 59031), (791, 25299), (937, 21357), (1017, 19677), (2373, 8433), (2811, 7119), (3051, 6559)]