20813892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 57361920

約数和(自身を除く): 36548028

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 43, 44, 57, 66, 76, 86, 114, 129, 132, 172, 193, 209, 228, 258, 386, 418, 473, 516, 579, 627, 772, 817, 836, 946, 1158, 1254, 1419, 1634, 1892, 2123, 2316, 2451, 2508, 2838, 3268, 3667, 4246, 4902, 5676, 6369, 7334, 8299, 8492, 8987, 9804, 11001, 12738, 14668, 16598, 17974, 22002, 24897, 25476, 26961, 33196, 35948, 40337, 44004, 49794, 53922, 80674, 91289, 99588, 107844, 121011, 157681, 161348, 182578, 242022, 273867, 315362, 365156, 473043, 484044, 547734, 630724, 946086, 1095468, 1734491, 1892172, 3468982, 5203473, 6937964, 10406946, 20813892]

約数ペア:

[(1, 20813892), (2, 10406946), (3, 6937964), (4, 5203473), (6, 3468982), (11, 1892172), (12, 1734491), (19, 1095468), (22, 946086), (33, 630724), (38, 547734), (43, 484044), (44, 473043), (57, 365156), (66, 315362), (76, 273867), (86, 242022), (114, 182578), (129, 161348), (132, 157681), (172, 121011), (193, 107844), (209, 99588), (228, 91289), (258, 80674), (386, 53922), (418, 49794), (473, 44004), (516, 40337), (579, 35948), (627, 33196), (772, 26961), (817, 25476), (836, 24897), (946, 22002), (1158, 17974), (1254, 16598), (1419, 14668), (1634, 12738), (1892, 11001), (2123, 9804), (2316, 8987), (2451, 8492), (2508, 8299), (2838, 7334), (3268, 6369), (3667, 5676), (4246, 4902)]