20166775420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1\times {\mathrm{827}}^1$

素因数の和:1603

約数の個数: 96

約数和(自身を含む): 46572019200

約数和(自身を除く): 26405243780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 557, 796, 827, 995, 1114, 1654, 1990, 2189, 2228, 2785, 3308, 3980, 4135, 4378, 5570, 6127, 8270, 8756, 9097, 10945, 11140, 12254, 16540, 18194, 21890, 24508, 30635, 36388, 43780, 45485, 61270, 90970, 110843, 122540, 164573, 181940, 221686, 329146, 443372, 460639, 554215, 658292, 822865, 921278, 1108430, 1219273, 1645730, 1810303, 1842556, 2216860, 2303195, 2438546, 3291460, 3620606, 4606390, 4877092, 5067029, 6096365, 7241212, 9051515, 9212780, 10134058, 12192730, 18103030, 20268116, 24385460, 25335145, 36206060, 50670290, 91667161, 101340580, 183334322, 366668644, 458335805, 916671610, 1008338771, 1833343220, 2016677542, 4033355084, 5041693855, 10083387710, 20166775420]

約数ペア:

[(1, 20166775420), (2, 10083387710), (4, 5041693855), (5, 4033355084), (10, 2016677542), (11, 1833343220), (20, 1008338771), (22, 916671610), (44, 458335805), (55, 366668644), (110, 183334322), (199, 101340580), (220, 91667161), (398, 50670290), (557, 36206060), (796, 25335145), (827, 24385460), (995, 20268116), (1114, 18103030), (1654, 12192730), (1990, 10134058), (2189, 9212780), (2228, 9051515), (2785, 7241212), (3308, 6096365), (3980, 5067029), (4135, 4877092), (4378, 4606390), (5570, 3620606), (6127, 3291460), (8270, 2438546), (8756, 2303195), (9097, 2216860), (10945, 1842556), (11140, 1810303), (12254, 1645730), (16540, 1219273), (18194, 1108430), (21890, 921278), (24508, 822865), (30635, 658292), (36388, 554215), (43780, 460639), (45485, 443372), (61270, 329146), (90970, 221686), (110843, 181940), (122540, 164573)]