20194704374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{113}}^1\times {\mathrm{2447}}^1$

素因数の和:2681

約数の個数: 48

約数和(自身を含む): 33557291712

約数和(自身を除く): 13362587338

約数列:

[1, 2, 13, 26, 53, 106, 113, 226, 689, 1378, 1469, 2447, 2809, 2938, 4894, 5618, 5989, 11978, 31811, 36517, 63622, 73034, 77857, 129691, 155714, 259382, 276511, 317417, 553022, 634834, 1685983, 3371966, 3594643, 4126421, 6873623, 7189286, 8252842, 13747246, 14655083, 29310166, 89357099, 178714198, 190516079, 381032158, 776719399, 1553438798, 10097352187, 20194704374]

約数ペア:

[(1, 20194704374), (2, 10097352187), (13, 1553438798), (26, 776719399), (53, 381032158), (106, 190516079), (113, 178714198), (226, 89357099), (689, 29310166), (1378, 14655083), (1469, 13747246), (2447, 8252842), (2809, 7189286), (2938, 6873623), (4894, 4126421), (5618, 3594643), (5989, 3371966), (11978, 1685983), (31811, 634834), (36517, 553022), (63622, 317417), (73034, 276511), (77857, 259382), (129691, 155714)]