20560219778

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{7541}}^1$

素因数の和:8247

約数の個数: 48

約数和(自身を含む): 36771413184

約数和(自身を除く): 16211193406

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 647, 1294, 2107, 4214, 4529, 7541, 9058, 15082, 27821, 31703, 52787, 55642, 63406, 105574, 194747, 324263, 369509, 389494, 648526, 739018, 1363229, 2269841, 2726458, 4539682, 4879027, 9758054, 15888887, 31777774, 34153189, 68306378, 209798161, 239072323, 419596322, 478144646, 1468587127, 2937174254, 10280109889, 20560219778]

約数ペア:

[(1, 20560219778), (2, 10280109889), (7, 2937174254), (14, 1468587127), (43, 478144646), (49, 419596322), (86, 239072323), (98, 209798161), (301, 68306378), (602, 34153189), (647, 31777774), (1294, 15888887), (2107, 9758054), (4214, 4879027), (4529, 4539682), (7541, 2726458), (9058, 2269841), (15082, 1363229), (27821, 739018), (31703, 648526), (52787, 389494), (55642, 369509), (63406, 324263), (105574, 194747)]