20470575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11867}}^1$

素因数の和:11903

約数の個数: 24

約数和(自身を含む): 35319168

約数和(自身を除く): 14848593

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11867, 35601, 59335, 178005, 272941, 296675, 818823, 890025, 1364705, 4094115, 6823525, 20470575]

約数ペア:

[(1, 20470575), (3, 6823525), (5, 4094115), (15, 1364705), (23, 890025), (25, 818823), (69, 296675), (75, 272941), (115, 178005), (345, 59335), (575, 35601), (1725, 11867)]