20963360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 55484352

約数和(自身を除く): 34520992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 277, 344, 352, 430, 440, 473, 554, 688, 860, 880, 946, 1108, 1376, 1385, 1720, 1760, 1892, 2216, 2365, 2770, 3047, 3440, 3784, 4432, 4730, 5540, 6094, 6880, 7568, 8864, 9460, 11080, 11911, 12188, 15136, 15235, 18920, 22160, 23822, 24376, 30470, 37840, 44320, 47644, 48752, 59555, 60940, 75680, 95288, 97504, 119110, 121880, 131021, 190576, 238220, 243760, 262042, 381152, 476440, 487520, 524084, 655105, 952880, 1048168, 1310210, 1905760, 2096336, 2620420, 4192672, 5240840, 10481680, 20963360]

約数ペア:

[(1, 20963360), (2, 10481680), (4, 5240840), (5, 4192672), (8, 2620420), (10, 2096336), (11, 1905760), (16, 1310210), (20, 1048168), (22, 952880), (32, 655105), (40, 524084), (43, 487520), (44, 476440), (55, 381152), (80, 262042), (86, 243760), (88, 238220), (110, 190576), (160, 131021), (172, 121880), (176, 119110), (215, 97504), (220, 95288), (277, 75680), (344, 60940), (352, 59555), (430, 48752), (440, 47644), (473, 44320), (554, 37840), (688, 30470), (860, 24376), (880, 23822), (946, 22160), (1108, 18920), (1376, 15235), (1385, 15136), (1720, 12188), (1760, 11911), (1892, 11080), (2216, 9460), (2365, 8864), (2770, 7568), (3047, 6880), (3440, 6094), (3784, 5540), (4432, 4730)]