20530356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1349

約数の個数: 96

約数和(自身を含む): 63286272

約数和(自身を除く): 42755916

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 51, 66, 68, 77, 84, 102, 119, 132, 154, 187, 204, 231, 238, 308, 357, 374, 462, 476, 561, 714, 748, 924, 1122, 1307, 1309, 1428, 2244, 2614, 2618, 3921, 3927, 5228, 5236, 7842, 7854, 9149, 14377, 15684, 15708, 18298, 22219, 27447, 28754, 36596, 43131, 44438, 54894, 57508, 66657, 86262, 88876, 100639, 109788, 133314, 155533, 172524, 201278, 244409, 266628, 301917, 311066, 402556, 466599, 488818, 603834, 622132, 733227, 933198, 977636, 1207668, 1466454, 1710863, 1866396, 2932908, 3421726, 5132589, 6843452, 10265178, 20530356]

約数ペア:

[(1, 20530356), (2, 10265178), (3, 6843452), (4, 5132589), (6, 3421726), (7, 2932908), (11, 1866396), (12, 1710863), (14, 1466454), (17, 1207668), (21, 977636), (22, 933198), (28, 733227), (33, 622132), (34, 603834), (42, 488818), (44, 466599), (51, 402556), (66, 311066), (68, 301917), (77, 266628), (84, 244409), (102, 201278), (119, 172524), (132, 155533), (154, 133314), (187, 109788), (204, 100639), (231, 88876), (238, 86262), (308, 66657), (357, 57508), (374, 54894), (462, 44438), (476, 43131), (561, 36596), (714, 28754), (748, 27447), (924, 22219), (1122, 18298), (1307, 15708), (1309, 15684), (1428, 14377), (2244, 9149), (2614, 7854), (2618, 7842), (3921, 5236), (3927, 5228)]