20280494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7573}}^1$

素因数の和:7691

約数の個数: 16

約数和(自身を含む): 33083232

約数和(自身を除く): 12802738

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7573, 15146, 98449, 196898, 780019, 1560038, 10140247, 20280494]

約数ペア:

[(1, 20280494), (2, 10140247), (13, 1560038), (26, 780019), (103, 196898), (206, 98449), (1339, 15146), (2678, 7573)]