20989152

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1429}}^1$

素因数の和:1465

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 43875648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1429, 1632, 1836, 2448, 2858, 3672, 4287, 4896, 5716, 7344, 8574, 11432, 12861, 14688, 17148, 22864, 24293, 25722, 34296, 38583, 45728, 48586, 51444, 68592, 72879, 77166, 97172, 102888, 137184, 145758, 154332, 194344, 205776, 218637, 291516, 308664, 388688, 411552, 437274, 583032, 617328, 655911, 777376, 874548, 1166064, 1234656, 1311822, 1749096, 2332128, 2623644, 3498192, 5247288, 6996384, 10494576, 20989152]

約数ペア:

[(1, 20989152), (2, 10494576), (3, 6996384), (4, 5247288), (6, 3498192), (8, 2623644), (9, 2332128), (12, 1749096), (16, 1311822), (17, 1234656), (18, 1166064), (24, 874548), (27, 777376), (32, 655911), (34, 617328), (36, 583032), (48, 437274), (51, 411552), (54, 388688), (68, 308664), (72, 291516), (96, 218637), (102, 205776), (108, 194344), (136, 154332), (144, 145758), (153, 137184), (204, 102888), (216, 97172), (272, 77166), (288, 72879), (306, 68592), (408, 51444), (432, 48586), (459, 45728), (544, 38583), (612, 34296), (816, 25722), (864, 24293), (918, 22864), (1224, 17148), (1429, 14688), (1632, 12861), (1836, 11432), (2448, 8574), (2858, 7344), (3672, 5716), (4287, 4896)]