20461182

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 28683138

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 107, 157, 174, 203, 214, 314, 321, 406, 471, 609, 642, 749, 942, 1099, 1218, 1498, 2198, 2247, 3103, 3297, 4494, 4553, 6206, 6594, 9106, 9309, 13659, 16799, 18618, 21721, 27318, 31871, 33598, 43442, 50397, 63742, 65163, 95613, 100794, 117593, 130326, 191226, 235186, 352779, 487171, 705558, 974342, 1461513, 2923026, 3410197, 6820394, 10230591, 20461182]

約数ペア:

[(1, 20461182), (2, 10230591), (3, 6820394), (6, 3410197), (7, 2923026), (14, 1461513), (21, 974342), (29, 705558), (42, 487171), (58, 352779), (87, 235186), (107, 191226), (157, 130326), (174, 117593), (203, 100794), (214, 95613), (314, 65163), (321, 63742), (406, 50397), (471, 43442), (609, 33598), (642, 31871), (749, 27318), (942, 21721), (1099, 18618), (1218, 16799), (1498, 13659), (2198, 9309), (2247, 9106), (3103, 6594), (3297, 6206), (4494, 4553)]