20894925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12113}}^1$

素因数の和:12149

約数の個数: 24

約数和(自身を含む): 36051264

約数和(自身を除く): 15156339

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12113, 36339, 60565, 181695, 278599, 302825, 835797, 908475, 1392995, 4178985, 6964975, 20894925]

約数ペア:

[(1, 20894925), (3, 6964975), (5, 4178985), (15, 1392995), (23, 908475), (25, 835797), (69, 302825), (75, 278599), (115, 181695), (345, 60565), (575, 36339), (1725, 12113)]