20153307968

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{823}}^1$

素因数の和:1240

約数の個数: 112

約数和(自身を含む): 43128370944

約数和(自身を除く): 22975062976

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 317, 544, 568, 634, 823, 1088, 1136, 1207, 1268, 1646, 2272, 2414, 2536, 3292, 4544, 4828, 5072, 5389, 6584, 9656, 10144, 10778, 13168, 13991, 19312, 20288, 21556, 22507, 26336, 27982, 38624, 43112, 45014, 52672, 55964, 58433, 77248, 86224, 90028, 111928, 116866, 172448, 180056, 223856, 233732, 260891, 344896, 360112, 382619, 447712, 467464, 521782, 720224, 765238, 895424, 934928, 993361, 1043564, 1440448, 1530476, 1869856, 1986722, 2087128, 3060952, 3739712, 3973444, 4174256, 4435147, 6121904, 7946888, 8348512, 8870294, 12243808, 15893776, 16697024, 17740588, 18523261, 24487616, 31787552, 35481176, 37046522, 63575104, 70962352, 74093044, 141924704, 148186088, 283849408, 296372176, 314895437, 592744352, 629790874, 1185488704, 1259581748, 2519163496, 5038326992, 10076653984, 20153307968]

約数ペア:

[(1, 20153307968), (2, 10076653984), (4, 5038326992), (8, 2519163496), (16, 1259581748), (17, 1185488704), (32, 629790874), (34, 592744352), (64, 314895437), (68, 296372176), (71, 283849408), (136, 148186088), (142, 141924704), (272, 74093044), (284, 70962352), (317, 63575104), (544, 37046522), (568, 35481176), (634, 31787552), (823, 24487616), (1088, 18523261), (1136, 17740588), (1207, 16697024), (1268, 15893776), (1646, 12243808), (2272, 8870294), (2414, 8348512), (2536, 7946888), (3292, 6121904), (4544, 4435147), (4828, 4174256), (5072, 3973444), (5389, 3739712), (6584, 3060952), (9656, 2087128), (10144, 1986722), (10778, 1869856), (13168, 1530476), (13991, 1440448), (19312, 1043564), (20288, 993361), (21556, 934928), (22507, 895424), (26336, 765238), (27982, 720224), (38624, 521782), (43112, 467464), (45014, 447712), (52672, 382619), (55964, 360112), (58433, 344896), (77248, 260891), (86224, 233732), (90028, 223856), (111928, 180056), (116866, 172448)]