20960997

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1223}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 8121243

約数列:

[1, 3, 29, 87, 197, 591, 1223, 3669, 5713, 17139, 35467, 106401, 240931, 722793, 6986999, 20960997]

約数ペア:

[(1, 20960997), (3, 6986999), (29, 722793), (87, 240931), (197, 106401), (591, 35467), (1223, 17139), (3669, 5713)]