20179292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 43088640

約数和(自身を除く): 22909348

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 457, 532, 581, 914, 1162, 1577, 1828, 2324, 3154, 3199, 6308, 6398, 8683, 11039, 12796, 17366, 22078, 34732, 37931, 44156, 60781, 75862, 121562, 151724, 243124, 265517, 531034, 720689, 1062068, 1441378, 2882756, 5044823, 10089646, 20179292]

約数ペア:

[(1, 20179292), (2, 10089646), (4, 5044823), (7, 2882756), (14, 1441378), (19, 1062068), (28, 720689), (38, 531034), (76, 265517), (83, 243124), (133, 151724), (166, 121562), (266, 75862), (332, 60781), (457, 44156), (532, 37931), (581, 34732), (914, 22078), (1162, 17366), (1577, 12796), (1828, 11039), (2324, 8683), (3154, 6398), (3199, 6308)]