20158396538

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{14879}}^1$

素因数の和:15035

約数の個数: 64

約数和(自身を含む): 37026201600

約数和(自身を除く): 16867805062

約数列:

[1, 2, 7, 14, 29, 47, 58, 71, 94, 142, 203, 329, 406, 497, 658, 994, 1363, 2059, 2726, 3337, 4118, 6674, 9541, 14413, 14879, 19082, 23359, 28826, 29758, 46718, 96773, 104153, 193546, 208306, 431491, 677411, 699313, 862982, 1056409, 1354822, 1398626, 2112818, 3020437, 4895191, 6040874, 7394863, 9790382, 14789726, 20280077, 30635861, 40560154, 49651223, 61271722, 99302446, 141960539, 214451027, 283921078, 347558561, 428902054, 695117122, 1439885467, 2879770934, 10079198269, 20158396538]

約数ペア:

[(1, 20158396538), (2, 10079198269), (7, 2879770934), (14, 1439885467), (29, 695117122), (47, 428902054), (58, 347558561), (71, 283921078), (94, 214451027), (142, 141960539), (203, 99302446), (329, 61271722), (406, 49651223), (497, 40560154), (658, 30635861), (994, 20280077), (1363, 14789726), (2059, 9790382), (2726, 7394863), (3337, 6040874), (4118, 4895191), (6674, 3020437), (9541, 2112818), (14413, 1398626), (14879, 1354822), (19082, 1056409), (23359, 862982), (28826, 699313), (29758, 677411), (46718, 431491), (96773, 208306), (104153, 193546)]