20803385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9521}}^1$

素因数の和:9568

約数の個数: 16

約数和(自身を含む): 27423360

約数和(自身を除く): 6619975

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9521, 47605, 180899, 218983, 904495, 1094915, 4160677, 20803385]

約数ペア:

[(1, 20803385), (5, 4160677), (19, 1094915), (23, 904495), (95, 218983), (115, 180899), (437, 47605), (2185, 9521)]