20395325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 27522792

約数和(自身を除く): 7127467

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1297, 3145, 6485, 15725, 22049, 32425, 47989, 110245, 239945, 551225, 815813, 1199725, 4079065, 20395325]

約数ペア:

[(1, 20395325), (5, 4079065), (17, 1199725), (25, 815813), (37, 551225), (85, 239945), (185, 110245), (425, 47989), (629, 32425), (925, 22049), (1297, 15725), (3145, 6485)]