20951287

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2058

約数の個数: 16

約数和(自身を含む): 25204032

約数和(自身を除く): 4252745

約数列:

[1, 7, 37, 41, 259, 287, 1517, 1973, 10619, 13811, 73001, 80893, 511007, 566251, 2993041, 20951287]

約数ペア:

[(1, 20951287), (7, 2993041), (37, 566251), (41, 511007), (259, 80893), (287, 73001), (1517, 13811), (1973, 10619)]