20368775

素因数分解:

$5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 29045760

約数和(自身を除く): 8676985

約数列:

[1, 5, 7, 25, 35, 175, 239, 487, 1195, 1673, 2435, 3409, 5975, 8365, 12175, 17045, 41825, 85225, 116393, 581965, 814751, 2909825, 4073755, 20368775]

約数ペア:

[(1, 20368775), (5, 4073755), (7, 2909825), (25, 814751), (35, 581965), (175, 116393), (239, 85225), (487, 41825), (1195, 17045), (1673, 12175), (2435, 8365), (3409, 5975)]