20975262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 53028864

約数和(自身を除く): 32053602

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 83, 154, 166, 231, 249, 462, 498, 547, 581, 913, 1094, 1162, 1641, 1743, 1826, 2739, 3282, 3486, 3829, 5478, 6017, 6391, 7658, 11487, 12034, 12782, 18051, 19173, 22974, 36102, 38346, 42119, 45401, 84238, 90802, 126357, 136203, 252714, 272406, 317807, 499411, 635614, 953421, 998822, 1498233, 1906842, 2996466, 3495877, 6991754, 10487631, 20975262]

約数ペア:

[(1, 20975262), (2, 10487631), (3, 6991754), (6, 3495877), (7, 2996466), (11, 1906842), (14, 1498233), (21, 998822), (22, 953421), (33, 635614), (42, 499411), (66, 317807), (77, 272406), (83, 252714), (154, 136203), (166, 126357), (231, 90802), (249, 84238), (462, 45401), (498, 42119), (547, 38346), (581, 36102), (913, 22974), (1094, 19173), (1162, 18051), (1641, 12782), (1743, 12034), (1826, 11487), (2739, 7658), (3282, 6391), (3486, 6017), (3829, 5478)]