20216918856

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{515843}}^1$

素因数の和:515946

約数の個数: 64

約数和(自身を含む): 53482705920

約数和(自身を除く): 33265787064

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 71, 92, 138, 142, 184, 213, 276, 284, 426, 552, 568, 852, 1633, 1704, 3266, 4899, 6532, 9798, 13064, 19596, 39192, 515843, 1031686, 1547529, 2063372, 3095058, 4126744, 6190116, 11864389, 12380232, 23728778, 35593167, 36624853, 47457556, 71186334, 73249706, 94915112, 109874559, 142372668, 146499412, 219749118, 284745336, 292998824, 439498236, 842371619, 878996472, 1684743238, 2527114857, 3369486476, 5054229714, 6738972952, 10108459428, 20216918856]

約数ペア:

[(1, 20216918856), (2, 10108459428), (3, 6738972952), (4, 5054229714), (6, 3369486476), (8, 2527114857), (12, 1684743238), (23, 878996472), (24, 842371619), (46, 439498236), (69, 292998824), (71, 284745336), (92, 219749118), (138, 146499412), (142, 142372668), (184, 109874559), (213, 94915112), (276, 73249706), (284, 71186334), (426, 47457556), (552, 36624853), (568, 35593167), (852, 23728778), (1633, 12380232), (1704, 11864389), (3266, 6190116), (4899, 4126744), (6532, 3095058), (9798, 2063372), (13064, 1547529), (19596, 1031686), (39192, 515843)]