20776184

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 46730880

約数和(自身を除く): 25954696

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 127, 143, 169, 242, 254, 286, 338, 484, 508, 572, 676, 968, 1016, 1144, 1352, 1397, 1573, 1651, 1859, 2794, 3146, 3302, 3718, 5588, 6292, 6604, 7436, 11176, 12584, 13208, 14872, 15367, 18161, 20449, 21463, 30734, 36322, 40898, 42926, 61468, 72644, 81796, 85852, 122936, 145288, 163592, 171704, 199771, 236093, 399542, 472186, 799084, 944372, 1598168, 1888744, 2597023, 5194046, 10388092, 20776184]

約数ペア:

[(1, 20776184), (2, 10388092), (4, 5194046), (8, 2597023), (11, 1888744), (13, 1598168), (22, 944372), (26, 799084), (44, 472186), (52, 399542), (88, 236093), (104, 199771), (121, 171704), (127, 163592), (143, 145288), (169, 122936), (242, 85852), (254, 81796), (286, 72644), (338, 61468), (484, 42926), (508, 40898), (572, 36322), (676, 30734), (968, 21463), (1016, 20449), (1144, 18161), (1352, 15367), (1397, 14872), (1573, 13208), (1651, 12584), (1859, 11176), (2794, 7436), (3146, 6604), (3302, 6292), (3718, 5588)]