20925097232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{4057}}^1$

素因数の和:4396

約数の個数: 80

約数和(自身を含む): 44233595952

約数和(自身を除く): 23308498720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 181, 208, 274, 362, 548, 724, 1096, 1448, 1781, 2192, 2353, 2896, 3562, 4057, 4706, 7124, 8114, 9412, 14248, 16228, 18824, 24797, 28496, 32456, 37648, 49594, 52741, 64912, 99188, 105482, 198376, 210964, 322361, 396752, 421928, 555809, 644722, 734317, 843856, 1111618, 1289444, 1468634, 2223236, 2578888, 2937268, 4446472, 5157776, 5874536, 7225517, 8892944, 9546121, 11749072, 14451034, 19092242, 28902068, 38184484, 57804136, 76368968, 100601429, 115608272, 152737936, 201202858, 402405716, 804811432, 1307818577, 1609622864, 2615637154, 5231274308, 10462548616, 20925097232]

約数ペア:

[(1, 20925097232), (2, 10462548616), (4, 5231274308), (8, 2615637154), (13, 1609622864), (16, 1307818577), (26, 804811432), (52, 402405716), (104, 201202858), (137, 152737936), (181, 115608272), (208, 100601429), (274, 76368968), (362, 57804136), (548, 38184484), (724, 28902068), (1096, 19092242), (1448, 14451034), (1781, 11749072), (2192, 9546121), (2353, 8892944), (2896, 7225517), (3562, 5874536), (4057, 5157776), (4706, 4446472), (7124, 2937268), (8114, 2578888), (9412, 2223236), (14248, 1468634), (16228, 1289444), (18824, 1111618), (24797, 843856), (28496, 734317), (32456, 644722), (37648, 555809), (49594, 421928), (52741, 396752), (64912, 322361), (99188, 210964), (105482, 198376)]