20806468

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 37366560

約数和(自身を除く): 16560092

約数列:

[1, 2, 4, 59, 118, 131, 236, 262, 524, 673, 1346, 2692, 7729, 15458, 30916, 39707, 79414, 88163, 158828, 176326, 352652, 5201617, 10403234, 20806468]

約数ペア:

[(1, 20806468), (2, 10403234), (4, 5201617), (59, 352652), (118, 176326), (131, 158828), (236, 88163), (262, 79414), (524, 39707), (673, 30916), (1346, 15458), (2692, 7729)]