20169254

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 15413722

約数列:

[1, 2, 7, 14, 71, 103, 142, 197, 206, 394, 497, 721, 994, 1379, 1442, 2758, 7313, 13987, 14626, 20291, 27974, 40582, 51191, 97909, 102382, 142037, 195818, 284074, 1440661, 2881322, 10084627, 20169254]

約数ペア:

[(1, 20169254), (2, 10084627), (7, 2881322), (14, 1440661), (71, 284074), (103, 195818), (142, 142037), (197, 102382), (206, 97909), (394, 51191), (497, 40582), (721, 27974), (994, 20291), (1379, 14626), (1442, 13987), (2758, 7313)]