20203225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6791}}^1$

素因数の和:6825

約数の個数: 24

約数和(自身を含む): 30319488

約数和(自身を除く): 10116263

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6791, 33955, 47537, 115447, 169775, 237685, 577235, 808129, 1188425, 2886175, 4040645, 20203225]

約数ペア:

[(1, 20203225), (5, 4040645), (7, 2886175), (17, 1188425), (25, 808129), (35, 577235), (85, 237685), (119, 169775), (175, 115447), (425, 47537), (595, 33955), (2975, 6791)]