20996880301168

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{12203}}^1\times {\mathrm{239509}}^1$

素因数の和:252169

約数の個数: 40

約数和(自身を含む): 40775571558000

約数和(自身を除く): 19778691256832

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 12203, 24406, 48812, 97624, 195248, 239509, 479018, 958036, 1916072, 3832144, 5479147, 10958294, 21916588, 43833176, 87666352, 107539541, 215079082, 430158164, 860316328, 1720632656, 2922728327, 5845456654, 11690913308, 23381826616, 46763653232, 1312305018823, 2624610037646, 5249220075292, 10498440150584, 20996880301168]

約数ペア:

[(1, 20996880301168), (2, 10498440150584), (4, 5249220075292), (8, 2624610037646), (16, 1312305018823), (449, 46763653232), (898, 23381826616), (1796, 11690913308), (3592, 5845456654), (7184, 2922728327), (12203, 1720632656), (24406, 860316328), (48812, 430158164), (97624, 215079082), (195248, 107539541), (239509, 87666352), (479018, 43833176), (958036, 21916588), (1916072, 10958294), (3832144, 5479147)]