20131568680

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1051}}^1\times {\mathrm{1987}}^1$

素因数の和:3290

約数の個数: 64

約数和(自身を含む): 45550169280

約数和(自身を除く): 25418600600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1051, 1205, 1928, 1987, 2102, 2410, 3974, 4204, 4820, 5255, 7948, 8408, 9640, 9935, 10510, 15896, 19870, 21020, 39740, 42040, 79480, 253291, 478867, 506582, 957734, 1013164, 1266455, 1915468, 2026328, 2088337, 2394335, 2532910, 3830936, 4176674, 4788670, 5065820, 8353348, 9577340, 10131640, 10441685, 16706696, 19154680, 20883370, 41766740, 83533480, 503289217, 1006578434, 2013156868, 2516446085, 4026313736, 5032892170, 10065784340, 20131568680]

約数ペア:

[(1, 20131568680), (2, 10065784340), (4, 5032892170), (5, 4026313736), (8, 2516446085), (10, 2013156868), (20, 1006578434), (40, 503289217), (241, 83533480), (482, 41766740), (964, 20883370), (1051, 19154680), (1205, 16706696), (1928, 10441685), (1987, 10131640), (2102, 9577340), (2410, 8353348), (3974, 5065820), (4204, 4788670), (4820, 4176674), (5255, 3830936), (7948, 2532910), (8408, 2394335), (9640, 2088337), (9935, 2026328), (10510, 1915468), (15896, 1266455), (19870, 1013164), (21020, 957734), (39740, 506582), (42040, 478867), (79480, 253291)]