20744763152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1\times {\mathrm{1117}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 42454663680

約数和(自身を除く): 21709900528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 463, 872, 926, 1117, 1744, 1852, 2234, 2507, 3704, 4468, 5014, 7408, 8936, 10028, 10649, 17872, 20056, 21298, 25691, 40112, 42596, 50467, 51382, 85192, 100934, 102764, 121753, 170384, 201868, 205528, 243506, 403736, 411056, 487012, 517171, 807472, 974024, 1034342, 1160741, 1948048, 2068684, 2321482, 2800319, 4137368, 4642964, 5600638, 8274736, 9285928, 11201276, 11894933, 18571856, 22402552, 23789866, 44805104, 47579732, 56371639, 95159464, 112743278, 190318928, 225486556, 450973112, 901946224, 1296547697, 2593095394, 5186190788, 10372381576, 20744763152]

約数ペア:

[(1, 20744763152), (2, 10372381576), (4, 5186190788), (8, 2593095394), (16, 1296547697), (23, 901946224), (46, 450973112), (92, 225486556), (109, 190318928), (184, 112743278), (218, 95159464), (368, 56371639), (436, 47579732), (463, 44805104), (872, 23789866), (926, 22402552), (1117, 18571856), (1744, 11894933), (1852, 11201276), (2234, 9285928), (2507, 8274736), (3704, 5600638), (4468, 4642964), (5014, 4137368), (7408, 2800319), (8936, 2321482), (10028, 2068684), (10649, 1948048), (17872, 1160741), (20056, 1034342), (21298, 974024), (25691, 807472), (40112, 517171), (42596, 487012), (50467, 411056), (51382, 403736), (85192, 243506), (100934, 205528), (102764, 201868), (121753, 170384)]