20880216

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2473

約数の個数: 96

約数和(自身を含む): 68459040

約数和(自身を除く): 47578824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2437, 2856, 4284, 4874, 7311, 8568, 9748, 14622, 17059, 19496, 21933, 29244, 34118, 41429, 43866, 51177, 58488, 68236, 82858, 87732, 102354, 124287, 136472, 153531, 165716, 175464, 204708, 248574, 290003, 307062, 331432, 372861, 409416, 497148, 580006, 614124, 745722, 870009, 994296, 1160012, 1228248, 1491444, 1740018, 2320024, 2610027, 2982888, 3480036, 5220054, 6960072, 10440108, 20880216]

約数ペア:

[(1, 20880216), (2, 10440108), (3, 6960072), (4, 5220054), (6, 3480036), (7, 2982888), (8, 2610027), (9, 2320024), (12, 1740018), (14, 1491444), (17, 1228248), (18, 1160012), (21, 994296), (24, 870009), (28, 745722), (34, 614124), (36, 580006), (42, 497148), (51, 409416), (56, 372861), (63, 331432), (68, 307062), (72, 290003), (84, 248574), (102, 204708), (119, 175464), (126, 165716), (136, 153531), (153, 136472), (168, 124287), (204, 102354), (238, 87732), (252, 82858), (306, 68236), (357, 58488), (408, 51177), (476, 43866), (504, 41429), (612, 34118), (714, 29244), (952, 21933), (1071, 19496), (1224, 17059), (1428, 14622), (2142, 9748), (2437, 8568), (2856, 7311), (4284, 4874)]