20126376536

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{18749}}^1$

素因数の和:19452

約数の個数: 64

約数和(自身を含む): 44685000000

約数和(自身を除く): 24558623464

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 661, 812, 1322, 1624, 2644, 4627, 5288, 9254, 18508, 18749, 19169, 37016, 37498, 38338, 74996, 76676, 131243, 134183, 149992, 153352, 262486, 268366, 524972, 536732, 543721, 1049944, 1073464, 1087442, 2174884, 3806047, 4349768, 7612094, 12393089, 15224188, 24786178, 30448376, 49572356, 86751623, 99144712, 173503246, 347006492, 359399581, 694012984, 718799162, 1437598324, 2515797067, 2875196648, 5031594134, 10063188268, 20126376536]

約数ペア:

[(1, 20126376536), (2, 10063188268), (4, 5031594134), (7, 2875196648), (8, 2515797067), (14, 1437598324), (28, 718799162), (29, 694012984), (56, 359399581), (58, 347006492), (116, 173503246), (203, 99144712), (232, 86751623), (406, 49572356), (661, 30448376), (812, 24786178), (1322, 15224188), (1624, 12393089), (2644, 7612094), (4627, 4349768), (5288, 3806047), (9254, 2174884), (18508, 1087442), (18749, 1073464), (19169, 1049944), (37016, 543721), (37498, 536732), (38338, 524972), (74996, 268366), (76676, 262486), (131243, 153352), (134183, 149992)]