20256889664

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1216

約数の個数: 112

約数和(自身を含む): 44455640832

約数和(自身を除く): 24198751168

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 101, 176, 202, 352, 404, 431, 661, 704, 808, 862, 1111, 1322, 1616, 1724, 2222, 2644, 3232, 3448, 4444, 4741, 5288, 6464, 6896, 7271, 8888, 9482, 10576, 13792, 14542, 17776, 18964, 21152, 27584, 29084, 35552, 37928, 42304, 43531, 58168, 66761, 71104, 75856, 87062, 116336, 133522, 151712, 174124, 232672, 267044, 284891, 303424, 348248, 465344, 478841, 534088, 569782, 696496, 734371, 957682, 1068176, 1139564, 1392992, 1468742, 1915364, 2136352, 2279128, 2785984, 2937484, 3133801, 3830728, 4272704, 4558256, 5874968, 6267602, 7661456, 9116512, 11749936, 12535204, 15322912, 18233024, 23499872, 25070408, 28773991, 30645824, 46999744, 50140816, 57547982, 100281632, 115095964, 200563264, 230191928, 316513901, 460383856, 633027802, 920767712, 1266055604, 1841535424, 2532111208, 5064222416, 10128444832, 20256889664]

約数ペア:

[(1, 20256889664), (2, 10128444832), (4, 5064222416), (8, 2532111208), (11, 1841535424), (16, 1266055604), (22, 920767712), (32, 633027802), (44, 460383856), (64, 316513901), (88, 230191928), (101, 200563264), (176, 115095964), (202, 100281632), (352, 57547982), (404, 50140816), (431, 46999744), (661, 30645824), (704, 28773991), (808, 25070408), (862, 23499872), (1111, 18233024), (1322, 15322912), (1616, 12535204), (1724, 11749936), (2222, 9116512), (2644, 7661456), (3232, 6267602), (3448, 5874968), (4444, 4558256), (4741, 4272704), (5288, 3830728), (6464, 3133801), (6896, 2937484), (7271, 2785984), (8888, 2279128), (9482, 2136352), (10576, 1915364), (13792, 1468742), (14542, 1392992), (17776, 1139564), (18964, 1068176), (21152, 957682), (27584, 734371), (29084, 696496), (35552, 569782), (37928, 534088), (42304, 478841), (43531, 465344), (58168, 348248), (66761, 303424), (71104, 284891), (75856, 267044), (87062, 232672), (116336, 174124), (133522, 151712)]