20276487

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3251}}^1$

素因数の和:3281

約数の個数: 40

約数和(自身を含む): 37775232

約数和(自身を除く): 17498745

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3251, 6237, 9753, 22757, 29259, 35761, 68271, 87777, 107283, 204813, 250327, 263331, 321849, 614439, 750981, 965547, 1843317, 2252943, 2896641, 6758829, 20276487]

約数ペア:

[(1, 20276487), (3, 6758829), (7, 2896641), (9, 2252943), (11, 1843317), (21, 965547), (27, 750981), (33, 614439), (63, 321849), (77, 263331), (81, 250327), (99, 204813), (189, 107283), (231, 87777), (297, 68271), (567, 35761), (693, 29259), (891, 22757), (2079, 9753), (3251, 6237)]