19700475

素因数分解:

$3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 32764272

約数和(自身を除く): 13063797

約数列:

[1, 3, 5, 15, 25, 75, 193, 579, 965, 1361, 2895, 4083, 4825, 6805, 14475, 20415, 34025, 102075, 262673, 788019, 1313365, 3940095, 6566825, 19700475]

約数ペア:

[(1, 19700475), (3, 6566825), (5, 3940095), (15, 1313365), (25, 788019), (75, 262673), (193, 102075), (579, 34025), (965, 20415), (1361, 14475), (2895, 6805), (4083, 4825)]