20310425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 26426880

約数和(自身を除く): 6116455

約数列:

[1, 5, 25, 31, 73, 155, 359, 365, 775, 1795, 1825, 2263, 8975, 11129, 11315, 26207, 55645, 56575, 131035, 278225, 655175, 812417, 4062085, 20310425]

約数ペア:

[(1, 20310425), (5, 4062085), (25, 812417), (31, 655175), (73, 278225), (155, 131035), (359, 56575), (365, 55645), (775, 26207), (1795, 11315), (1825, 11129), (2263, 8975)]