20716752

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61657}}^1$

素因数の和:61675

約数の個数: 40

約数和(自身を含む): 61164736

約数和(自身を除く): 40447984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61657, 123314, 184971, 246628, 369942, 431599, 493256, 739884, 863198, 986512, 1294797, 1479768, 1726396, 2589594, 2959536, 3452792, 5179188, 6905584, 10358376, 20716752]

約数ペア:

[(1, 20716752), (2, 10358376), (3, 6905584), (4, 5179188), (6, 3452792), (7, 2959536), (8, 2589594), (12, 1726396), (14, 1479768), (16, 1294797), (21, 986512), (24, 863198), (28, 739884), (42, 493256), (48, 431599), (56, 369942), (84, 246628), (112, 184971), (168, 123314), (336, 61657)]