20902538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11083}}^1$

素因数の和:11149

約数の個数: 16

約数和(自身を含む): 33518016

約数和(自身を除く): 12615478

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 11083, 22166, 254909, 454403, 509818, 908806, 10451269, 20902538]

約数ペア:

[(1, 20902538), (2, 10451269), (23, 908806), (41, 509818), (46, 454403), (82, 254909), (943, 22166), (1886, 11083)]