20709494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1901}}^1$

素因数の和:2335

約数の個数: 16

約数和(自身を含む): 33551280

約数和(自身を除く): 12841786

約数列:

[1, 2, 13, 26, 419, 838, 1901, 3802, 5447, 10894, 24713, 49426, 796519, 1593038, 10354747, 20709494]

約数ペア:

[(1, 20709494), (2, 10354747), (13, 1593038), (26, 796519), (419, 49426), (838, 24713), (1901, 10894), (3802, 5447)]