20215245

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4973}}^1$

素因数の和:5252

約数の個数: 16

約数和(自身を含む): 32470272

約数和(自身を除く): 12255027

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 4973, 14919, 24865, 74595, 1347683, 4043049, 6738415, 20215245]

約数ペア:

[(1, 20215245), (3, 6738415), (5, 4043049), (15, 1347683), (271, 74595), (813, 24865), (1355, 14919), (4065, 4973)]