20501425

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 29252096

約数和(自身を除く): 8750671

約数列:

[1, 5, 7, 25, 35, 175, 193, 607, 965, 1351, 3035, 4249, 4825, 6755, 15175, 21245, 33775, 106225, 117151, 585755, 820057, 2928775, 4100285, 20501425]

約数ペア:

[(1, 20501425), (5, 4100285), (7, 2928775), (25, 820057), (35, 585755), (175, 117151), (193, 106225), (607, 33775), (965, 21245), (1351, 15175), (3035, 6755), (4249, 4825)]