20145358616

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{658001}}^1$

素因数の和:658139

約数の個数: 32

約数和(自身を含む): 39085318800

約数和(自身を除く): 18939960184

約数列:

[1, 2, 4, 8, 43, 86, 89, 172, 178, 344, 356, 712, 3827, 7654, 15308, 30616, 658001, 1316002, 2632004, 5264008, 28294043, 56588086, 58562089, 113176172, 117124178, 226352344, 234248356, 468496712, 2518169827, 5036339654, 10072679308, 20145358616]

約数ペア:

[(1, 20145358616), (2, 10072679308), (4, 5036339654), (8, 2518169827), (43, 468496712), (86, 234248356), (89, 226352344), (172, 117124178), (178, 113176172), (344, 58562089), (356, 56588086), (712, 28294043), (3827, 5264008), (7654, 2632004), (15308, 1316002), (30616, 658001)]