20737416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 64385280

約数和(自身を除く): 43647864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 53, 56, 68, 84, 102, 106, 119, 136, 137, 159, 168, 204, 212, 238, 274, 318, 357, 371, 408, 411, 424, 476, 548, 636, 714, 742, 822, 901, 952, 959, 1096, 1113, 1272, 1428, 1484, 1644, 1802, 1918, 2226, 2329, 2703, 2856, 2877, 2968, 3288, 3604, 3836, 4452, 4658, 5406, 5754, 6307, 6987, 7208, 7261, 7672, 8904, 9316, 10812, 11508, 12614, 13974, 14522, 16303, 18632, 18921, 21624, 21783, 23016, 25228, 27948, 29044, 32606, 37842, 43566, 48909, 50456, 50827, 55896, 58088, 65212, 75684, 87132, 97818, 101654, 123437, 130424, 151368, 152481, 174264, 195636, 203308, 246874, 304962, 370311, 391272, 406616, 493748, 609924, 740622, 864059, 987496, 1219848, 1481244, 1728118, 2592177, 2962488, 3456236, 5184354, 6912472, 10368708, 20737416]

約数ペア:

[(1, 20737416), (2, 10368708), (3, 6912472), (4, 5184354), (6, 3456236), (7, 2962488), (8, 2592177), (12, 1728118), (14, 1481244), (17, 1219848), (21, 987496), (24, 864059), (28, 740622), (34, 609924), (42, 493748), (51, 406616), (53, 391272), (56, 370311), (68, 304962), (84, 246874), (102, 203308), (106, 195636), (119, 174264), (136, 152481), (137, 151368), (159, 130424), (168, 123437), (204, 101654), (212, 97818), (238, 87132), (274, 75684), (318, 65212), (357, 58088), (371, 55896), (408, 50827), (411, 50456), (424, 48909), (476, 43566), (548, 37842), (636, 32606), (714, 29044), (742, 27948), (822, 25228), (901, 23016), (952, 21783), (959, 21624), (1096, 18921), (1113, 18632), (1272, 16303), (1428, 14522), (1484, 13974), (1644, 12614), (1802, 11508), (1918, 10812), (2226, 9316), (2329, 8904), (2703, 7672), (2856, 7261), (2877, 7208), (2968, 6987), (3288, 6307), (3604, 5754), (3836, 5406), (4452, 4658)]