20991565392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{33073}}^1$

素因数の和:34980

約数の個数: 80

約数和(自身を含む): 62009781120

約数和(自身を除く): 41018215728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1889, 3778, 5667, 7556, 11334, 13223, 15112, 22668, 26446, 30224, 33073, 39669, 45336, 52892, 66146, 79338, 90672, 99219, 105784, 132292, 158676, 198438, 211568, 231511, 264584, 317352, 396876, 463022, 529168, 634704, 694533, 793752, 926044, 1389066, 1587504, 1852088, 2778132, 3704176, 5556264, 11112528, 62474897, 124949794, 187424691, 249899588, 374849382, 437324279, 499799176, 749698764, 874648558, 999598352, 1311972837, 1499397528, 1749297116, 2623945674, 2998795056, 3498594232, 5247891348, 6997188464, 10495782696, 20991565392]

約数ペア:

[(1, 20991565392), (2, 10495782696), (3, 6997188464), (4, 5247891348), (6, 3498594232), (7, 2998795056), (8, 2623945674), (12, 1749297116), (14, 1499397528), (16, 1311972837), (21, 999598352), (24, 874648558), (28, 749698764), (42, 499799176), (48, 437324279), (56, 374849382), (84, 249899588), (112, 187424691), (168, 124949794), (336, 62474897), (1889, 11112528), (3778, 5556264), (5667, 3704176), (7556, 2778132), (11334, 1852088), (13223, 1587504), (15112, 1389066), (22668, 926044), (26446, 793752), (30224, 694533), (33073, 634704), (39669, 529168), (45336, 463022), (52892, 396876), (66146, 317352), (79338, 264584), (90672, 231511), (99219, 211568), (105784, 198438), (132292, 158676)]