20807521092

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{487}}^1\times {\mathrm{8663}}^1$

素因数の和:9297

約数の個数: 72

約数和(自身を含む): 53095625856

約数和(自身を除く): 32288104764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 487, 548, 822, 974, 1233, 1461, 1644, 1948, 2466, 2922, 4383, 4932, 5844, 8663, 8766, 17326, 17532, 25989, 34652, 51978, 66719, 77967, 103956, 133438, 155934, 200157, 266876, 311868, 400314, 600471, 800628, 1186831, 1200942, 2373662, 2401884, 3560493, 4218881, 4747324, 7120986, 8437762, 10681479, 12656643, 14241972, 16875524, 21362958, 25313286, 37969929, 42725916, 50626572, 75939858, 151879716, 577986697, 1155973394, 1733960091, 2311946788, 3467920182, 5201880273, 6935840364, 10403760546, 20807521092]

約数ペア:

[(1, 20807521092), (2, 10403760546), (3, 6935840364), (4, 5201880273), (6, 3467920182), (9, 2311946788), (12, 1733960091), (18, 1155973394), (36, 577986697), (137, 151879716), (274, 75939858), (411, 50626572), (487, 42725916), (548, 37969929), (822, 25313286), (974, 21362958), (1233, 16875524), (1461, 14241972), (1644, 12656643), (1948, 10681479), (2466, 8437762), (2922, 7120986), (4383, 4747324), (4932, 4218881), (5844, 3560493), (8663, 2401884), (8766, 2373662), (17326, 1200942), (17532, 1186831), (25989, 800628), (34652, 600471), (51978, 400314), (66719, 311868), (77967, 266876), (103956, 200157), (133438, 155934)]