20877156

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 37546524

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 83, 102, 108, 137, 153, 166, 204, 249, 274, 306, 332, 411, 459, 498, 548, 612, 747, 822, 918, 996, 1233, 1411, 1494, 1644, 1836, 2241, 2329, 2466, 2822, 2988, 3699, 4233, 4482, 4658, 4932, 5644, 6987, 7398, 8466, 8964, 9316, 11371, 12699, 13974, 14796, 16932, 20961, 22742, 25398, 27948, 34113, 38097, 41922, 45484, 50796, 62883, 68226, 76194, 83844, 102339, 125766, 136452, 152388, 193307, 204678, 251532, 307017, 386614, 409356, 579921, 614034, 773228, 1159842, 1228068, 1739763, 2319684, 3479526, 5219289, 6959052, 10438578, 20877156]

約数ペア:

[(1, 20877156), (2, 10438578), (3, 6959052), (4, 5219289), (6, 3479526), (9, 2319684), (12, 1739763), (17, 1228068), (18, 1159842), (27, 773228), (34, 614034), (36, 579921), (51, 409356), (54, 386614), (68, 307017), (83, 251532), (102, 204678), (108, 193307), (137, 152388), (153, 136452), (166, 125766), (204, 102339), (249, 83844), (274, 76194), (306, 68226), (332, 62883), (411, 50796), (459, 45484), (498, 41922), (548, 38097), (612, 34113), (747, 27948), (822, 25398), (918, 22742), (996, 20961), (1233, 16932), (1411, 14796), (1494, 13974), (1644, 12699), (1836, 11371), (2241, 9316), (2329, 8964), (2466, 8466), (2822, 7398), (2988, 6987), (3699, 5644), (4233, 4932), (4482, 4658)]