20280227

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 23431680

約数和(自身を除く): 3151453

約数列:

[1, 11, 23, 71, 253, 781, 1129, 1633, 12419, 17963, 25967, 80159, 285637, 881749, 1843657, 20280227]

約数ペア:

[(1, 20280227), (11, 1843657), (23, 881749), (71, 285637), (253, 80159), (781, 25967), (1129, 17963), (1633, 12419)]