20585425

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 29561600

約数和(自身を除く): 8976175

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1489, 1975, 2765, 7445, 10423, 13825, 37225, 52115, 117631, 260575, 588155, 823417, 2940775, 4117085, 20585425]

約数ペア:

[(1, 20585425), (5, 4117085), (7, 2940775), (25, 823417), (35, 588155), (79, 260575), (175, 117631), (395, 52115), (553, 37225), (1489, 13825), (1975, 10423), (2765, 7445)]