20716884

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 60

約数和(自身を含む): 55454784

約数和(自身を除く): 34737900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1487, 1548, 2322, 2974, 3483, 4461, 4644, 5948, 6966, 8922, 13383, 13932, 17844, 26766, 40149, 53532, 63941, 80298, 120447, 127882, 160596, 191823, 240894, 255764, 383646, 481788, 575469, 767292, 1150938, 1726407, 2301876, 3452814, 5179221, 6905628, 10358442, 20716884]

約数ペア:

[(1, 20716884), (2, 10358442), (3, 6905628), (4, 5179221), (6, 3452814), (9, 2301876), (12, 1726407), (18, 1150938), (27, 767292), (36, 575469), (43, 481788), (54, 383646), (81, 255764), (86, 240894), (108, 191823), (129, 160596), (162, 127882), (172, 120447), (258, 80298), (324, 63941), (387, 53532), (516, 40149), (774, 26766), (1161, 17844), (1487, 13932), (1548, 13383), (2322, 8922), (2974, 6966), (3483, 5948), (4461, 4644)]