20199402144

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{643457}}^1$

素因数の和:643582

約数の個数: 72

約数和(自身を含む): 57969131220

約数和(自身を除く): 37769729076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 654, 872, 981, 1308, 1744, 1962, 2616, 3488, 3924, 5232, 7848, 10464, 15696, 31392, 643457, 1286914, 1930371, 2573828, 3860742, 5147656, 5791113, 7721484, 10295312, 11582226, 15442968, 20590624, 23164452, 30885936, 46328904, 61771872, 70136813, 92657808, 140273626, 185315616, 210410439, 280547252, 420820878, 561094504, 631231317, 841641756, 1122189008, 1262462634, 1683283512, 2244378016, 2524925268, 3366567024, 5049850536, 6733134048, 10099701072, 20199402144]

約数ペア:

[(1, 20199402144), (2, 10099701072), (3, 6733134048), (4, 5049850536), (6, 3366567024), (8, 2524925268), (9, 2244378016), (12, 1683283512), (16, 1262462634), (18, 1122189008), (24, 841641756), (32, 631231317), (36, 561094504), (48, 420820878), (72, 280547252), (96, 210410439), (109, 185315616), (144, 140273626), (218, 92657808), (288, 70136813), (327, 61771872), (436, 46328904), (654, 30885936), (872, 23164452), (981, 20590624), (1308, 15442968), (1744, 11582226), (1962, 10295312), (2616, 7721484), (3488, 5791113), (3924, 5147656), (5232, 3860742), (7848, 2573828), (10464, 1930371), (15696, 1286914), (31392, 643457)]