20168653899

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1\times {\mathrm{947}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 27425260800

約数和(自身を除く): 7256606901

約数列:

[1, 3, 97, 163, 291, 449, 489, 947, 1347, 2841, 15811, 43553, 47433, 73187, 91859, 130659, 154361, 219561, 275577, 425203, 463083, 1275609, 7099139, 14973017, 21297417, 41244691, 44919051, 69308089, 123734073, 207924267, 6722884633, 20168653899]

約数ペア:

[(1, 20168653899), (3, 6722884633), (97, 207924267), (163, 123734073), (291, 69308089), (449, 44919051), (489, 41244691), (947, 21297417), (1347, 14973017), (2841, 7099139), (15811, 1275609), (43553, 463083), (47433, 425203), (73187, 275577), (91859, 219561), (130659, 154361)]