20123286273

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{497867}}^1$

素因数の和:498378

約数の個数: 20

約数和(自身を含む): 30121014000

約数和(自身を除く): 9997727727

約数列:

[1, 3, 9, 27, 81, 499, 1497, 4491, 13473, 40419, 497867, 1493601, 4480803, 13442409, 40327227, 248435633, 745306899, 2235920697, 6707762091, 20123286273]

約数ペア:

[(1, 20123286273), (3, 6707762091), (9, 2235920697), (27, 745306899), (81, 248435633), (499, 40327227), (1497, 13442409), (4491, 4480803), (13473, 1493601), (40419, 497867)]