20414375

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 20

約数和(自身を含む): 25866720

約数和(自身を除く): 5452345

約数列:

[1, 5, 25, 89, 125, 367, 445, 625, 1835, 2225, 9175, 11125, 32663, 45875, 55625, 163315, 229375, 816575, 4082875, 20414375]

約数ペア:

[(1, 20414375), (5, 4082875), (25, 816575), (89, 229375), (125, 163315), (367, 55625), (445, 45875), (625, 32663), (1835, 11125), (2225, 9175)]