20687303

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{491}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 25568256

約数和(自身を除く): 4880953

約数列:

[1, 7, 13, 91, 463, 491, 3241, 3437, 6019, 6383, 42133, 44681, 227333, 1591331, 2955329, 20687303]

約数ペア:

[(1, 20687303), (7, 2955329), (13, 1591331), (91, 227333), (463, 44681), (491, 42133), (3241, 6383), (3437, 6019)]