20243125

素因数分解:

$5^4\times 7^2\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 30

約数和(自身を含む): 29470254

約数和(自身を除く): 9227129

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 661, 875, 1225, 3305, 4375, 4627, 6125, 16525, 23135, 30625, 32389, 82625, 115675, 161945, 413125, 578375, 809725, 2891875, 4048625, 20243125]

約数ペア:

[(1, 20243125), (5, 4048625), (7, 2891875), (25, 809725), (35, 578375), (49, 413125), (125, 161945), (175, 115675), (245, 82625), (625, 32389), (661, 30625), (875, 23135), (1225, 16525), (3305, 6125), (4375, 4627)]