20204325

素因数分解:

$3^2\times 5^2\times {\mathrm{89797}}^1$

素因数の和:89813

約数の個数: 18

約数和(自身を含む): 36188594

約数和(自身を除く): 15984269

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89797, 269391, 448985, 808173, 1346955, 2244925, 4040865, 6734775, 20204325]

約数ペア:

[(1, 20204325), (3, 6734775), (5, 4040865), (9, 2244925), (15, 1346955), (25, 808173), (45, 448985), (75, 269391), (225, 89797)]