20123701925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{42359}}^1$

素因数の和:43013

約数の個数: 24

約数和(自身を含む): 25800967680

約数和(自身を除く): 5677265755

約数列:

[1, 5, 25, 31, 155, 613, 775, 3065, 15325, 19003, 42359, 95015, 211795, 475075, 1058975, 1313129, 6565645, 25966067, 32828225, 129830335, 649151675, 804948077, 4024740385, 20123701925]

約数ペア:

[(1, 20123701925), (5, 4024740385), (25, 804948077), (31, 649151675), (155, 129830335), (613, 32828225), (775, 25966067), (3065, 6565645), (15325, 1313129), (19003, 1058975), (42359, 475075), (95015, 211795)]