20452944519

素因数分解:

$3^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{172411}}^1$

素因数の和:172700

約数の個数: 36

約数和(自身を含む): 34494468840

約数和(自身を除く): 14041524321

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 269, 441, 807, 1883, 2421, 5649, 13181, 16947, 39543, 118629, 172411, 517233, 1206877, 1551699, 3620631, 8448139, 10861893, 25344417, 46378559, 76033251, 139135677, 324649913, 417407031, 973949739, 2272549391, 2921849217, 6817648173, 20452944519]

約数ペア:

[(1, 20452944519), (3, 6817648173), (7, 2921849217), (9, 2272549391), (21, 973949739), (49, 417407031), (63, 324649913), (147, 139135677), (269, 76033251), (441, 46378559), (807, 25344417), (1883, 10861893), (2421, 8448139), (5649, 3620631), (13181, 1551699), (16947, 1206877), (39543, 517233), (118629, 172411)]