20176901888

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{42397}}^1$

素因数の和:42450

約数の個数: 108

約数和(自身を含む): 47577170088

約数和(自身を除く): 27400268200

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 169, 176, 208, 256, 286, 338, 352, 416, 572, 676, 704, 832, 1144, 1352, 1408, 1664, 1859, 2288, 2704, 2816, 3328, 3718, 4576, 5408, 7436, 9152, 10816, 14872, 18304, 21632, 29744, 36608, 42397, 43264, 59488, 84794, 118976, 169588, 237952, 339176, 466367, 475904, 551161, 678352, 932734, 1102322, 1356704, 1865468, 2204644, 2713408, 3730936, 4409288, 5426816, 6062771, 7165093, 7461872, 8818576, 10853632, 12125542, 14330186, 14923744, 17637152, 24251084, 28660372, 29847488, 35274304, 48502168, 57320744, 59694976, 70548608, 78816023, 97004336, 114641488, 119389952, 141097216, 157632046, 194008672, 229282976, 315264092, 388017344, 458565952, 630528184, 776034688, 917131904, 1261056368, 1552069376, 1834263808, 2522112736, 5044225472, 10088450944, 20176901888]

約数ペア:

[(1, 20176901888), (2, 10088450944), (4, 5044225472), (8, 2522112736), (11, 1834263808), (13, 1552069376), (16, 1261056368), (22, 917131904), (26, 776034688), (32, 630528184), (44, 458565952), (52, 388017344), (64, 315264092), (88, 229282976), (104, 194008672), (128, 157632046), (143, 141097216), (169, 119389952), (176, 114641488), (208, 97004336), (256, 78816023), (286, 70548608), (338, 59694976), (352, 57320744), (416, 48502168), (572, 35274304), (676, 29847488), (704, 28660372), (832, 24251084), (1144, 17637152), (1352, 14923744), (1408, 14330186), (1664, 12125542), (1859, 10853632), (2288, 8818576), (2704, 7461872), (2816, 7165093), (3328, 6062771), (3718, 5426816), (4576, 4409288), (5408, 3730936), (7436, 2713408), (9152, 2204644), (10816, 1865468), (14872, 1356704), (18304, 1102322), (21632, 932734), (29744, 678352), (36608, 551161), (42397, 475904), (43264, 466367), (59488, 339176), (84794, 237952), (118976, 169588)]