19966425

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5023}}^1$

素因数の和:5089

約数の個数: 24

約数和(自身を含む): 33640704

約数和(自身を除く): 13674279

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5023, 15069, 25115, 75345, 125575, 266219, 376725, 798657, 1331095, 3993285, 6655475, 19966425]

約数ペア:

[(1, 19966425), (3, 6655475), (5, 3993285), (15, 1331095), (25, 798657), (53, 376725), (75, 266219), (159, 125575), (265, 75345), (795, 25115), (1325, 15069), (3975, 5023)]