20782212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35464188

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 61, 66, 87, 89, 116, 122, 132, 174, 178, 183, 244, 267, 319, 348, 356, 366, 534, 638, 671, 732, 957, 979, 1068, 1276, 1342, 1769, 1914, 1958, 2013, 2581, 2684, 2937, 3538, 3828, 3916, 4026, 5162, 5307, 5429, 5874, 7076, 7743, 8052, 10324, 10614, 10858, 11748, 15486, 16287, 19459, 21228, 21716, 28391, 30972, 32574, 38918, 56782, 58377, 59719, 65148, 77836, 85173, 113564, 116754, 119438, 157441, 170346, 179157, 233508, 238876, 314882, 340692, 358314, 472323, 629764, 716628, 944646, 1731851, 1889292, 3463702, 5195553, 6927404, 10391106, 20782212]

約数ペア:

[(1, 20782212), (2, 10391106), (3, 6927404), (4, 5195553), (6, 3463702), (11, 1889292), (12, 1731851), (22, 944646), (29, 716628), (33, 629764), (44, 472323), (58, 358314), (61, 340692), (66, 314882), (87, 238876), (89, 233508), (116, 179157), (122, 170346), (132, 157441), (174, 119438), (178, 116754), (183, 113564), (244, 85173), (267, 77836), (319, 65148), (348, 59719), (356, 58377), (366, 56782), (534, 38918), (638, 32574), (671, 30972), (732, 28391), (957, 21716), (979, 21228), (1068, 19459), (1276, 16287), (1342, 15486), (1769, 11748), (1914, 10858), (1958, 10614), (2013, 10324), (2581, 8052), (2684, 7743), (2937, 7076), (3538, 5874), (3828, 5429), (3916, 5307), (4026, 5162)]