20667444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 59947776

約数和(自身を除く): 39280332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 41, 42, 51, 68, 82, 84, 102, 119, 123, 164, 204, 238, 246, 287, 353, 357, 476, 492, 574, 697, 706, 714, 861, 1059, 1148, 1394, 1412, 1428, 1722, 2091, 2118, 2471, 2788, 3444, 4182, 4236, 4879, 4942, 6001, 7413, 8364, 9758, 9884, 12002, 14473, 14637, 14826, 18003, 19516, 24004, 28946, 29274, 29652, 36006, 42007, 43419, 57892, 58548, 72012, 84014, 86838, 101311, 126021, 168028, 173676, 202622, 246041, 252042, 303933, 405244, 492082, 504084, 607866, 738123, 984164, 1215732, 1476246, 1722287, 2952492, 3444574, 5166861, 6889148, 10333722, 20667444]

約数ペア:

[(1, 20667444), (2, 10333722), (3, 6889148), (4, 5166861), (6, 3444574), (7, 2952492), (12, 1722287), (14, 1476246), (17, 1215732), (21, 984164), (28, 738123), (34, 607866), (41, 504084), (42, 492082), (51, 405244), (68, 303933), (82, 252042), (84, 246041), (102, 202622), (119, 173676), (123, 168028), (164, 126021), (204, 101311), (238, 86838), (246, 84014), (287, 72012), (353, 58548), (357, 57892), (476, 43419), (492, 42007), (574, 36006), (697, 29652), (706, 29274), (714, 28946), (861, 24004), (1059, 19516), (1148, 18003), (1394, 14826), (1412, 14637), (1428, 14473), (1722, 12002), (2091, 9884), (2118, 9758), (2471, 8364), (2788, 7413), (3444, 6001), (4182, 4942), (4236, 4879)]