20533215

素因数分解:

$3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1373}}^1$

素因数の和:2378

約数の個数: 16

約数和(自身を含む): 32910048

約数和(自身を除く): 12376833

約数列:

[1, 3, 5, 15, 997, 1373, 2991, 4119, 4985, 6865, 14955, 20595, 1368881, 4106643, 6844405, 20533215]

約数ペア:

[(1, 20533215), (3, 6844405), (5, 4106643), (15, 1368881), (997, 20595), (1373, 14955), (2991, 6865), (4119, 4985)]