20578077

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2594

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 13693923

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2549, 2691, 7647, 8073, 22941, 33137, 58627, 68823, 99411, 175881, 298233, 527643, 762151, 894699, 1582929, 2286453, 6859359, 20578077]

約数ペア:

[(1, 20578077), (3, 6859359), (9, 2286453), (13, 1582929), (23, 894699), (27, 762151), (39, 527643), (69, 298233), (117, 175881), (207, 99411), (299, 68823), (351, 58627), (621, 33137), (897, 22941), (2549, 8073), (2691, 7647)]