16720210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3137}}^1$

素因数の和:3198

約数の個数: 32

約数和(自身を含む): 33212592

約数和(自身を除く): 16492382

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3137, 5330, 6274, 15685, 31370, 40781, 81562, 128617, 203905, 257234, 407810, 643085, 1286170, 1672021, 3344042, 8360105, 16720210]

約数ペア:

[(1, 16720210), (2, 8360105), (5, 3344042), (10, 1672021), (13, 1286170), (26, 643085), (41, 407810), (65, 257234), (82, 203905), (130, 128617), (205, 81562), (410, 40781), (533, 31370), (1066, 15685), (2665, 6274), (3137, 5330)]