20228625

素因数分解:

$3^2\times 5^3\times {\mathrm{17981}}^1$

素因数の和:18002

約数の個数: 24

約数和(自身を含む): 36467496

約数和(自身を除く): 16238871

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 17981, 53943, 89905, 161829, 269715, 449525, 809145, 1348575, 2247625, 4045725, 6742875, 20228625]

約数ペア:

[(1, 20228625), (3, 6742875), (5, 4045725), (9, 2247625), (15, 1348575), (25, 809145), (45, 449525), (75, 269715), (125, 161829), (225, 89905), (375, 53943), (1125, 17981)]