20826147

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10220253

約数列:

[1, 3, 19, 29, 43, 57, 87, 129, 293, 551, 817, 879, 1247, 1653, 2451, 3741, 5567, 8497, 12599, 16701, 23693, 25491, 37797, 71079, 161443, 239381, 365371, 484329, 718143, 1096113, 6942049, 20826147]

約数ペア:

[(1, 20826147), (3, 6942049), (19, 1096113), (29, 718143), (43, 484329), (57, 365371), (87, 239381), (129, 161443), (293, 71079), (551, 37797), (817, 25491), (879, 23693), (1247, 16701), (1653, 12599), (2451, 8497), (3741, 5567)]