20512172315

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:3083

約数の個数: 32

約数和(自身を含む): 25280398080

約数和(自身を除く): 4768225765

約数列:

[1, 5, 101, 107, 139, 505, 535, 695, 2731, 10807, 13655, 14039, 14873, 54035, 70195, 74365, 275831, 292217, 379609, 1379155, 1461085, 1502173, 1898045, 7510865, 29513917, 38340509, 40618163, 147569585, 191702545, 203090815, 4102434463, 20512172315]

約数ペア:

[(1, 20512172315), (5, 4102434463), (101, 203090815), (107, 191702545), (139, 147569585), (505, 40618163), (535, 38340509), (695, 29513917), (2731, 7510865), (10807, 1898045), (13655, 1502173), (14039, 1461085), (14873, 1379155), (54035, 379609), (70195, 292217), (74365, 275831)]