20391504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{60689}}^1$

素因数の和:60707

約数の個数: 40

約数和(自身を含む): 60204480

約数和(自身を除く): 39812976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 60689, 121378, 182067, 242756, 364134, 424823, 485512, 728268, 849646, 971024, 1274469, 1456536, 1699292, 2548938, 2913072, 3398584, 5097876, 6797168, 10195752, 20391504]

約数ペア:

[(1, 20391504), (2, 10195752), (3, 6797168), (4, 5097876), (6, 3398584), (7, 2913072), (8, 2548938), (12, 1699292), (14, 1456536), (16, 1274469), (21, 971024), (24, 849646), (28, 728268), (42, 485512), (48, 424823), (56, 364134), (84, 242756), (112, 182067), (168, 121378), (336, 60689)]