20477368

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 39690000

約数和(自身を除く): 19212632

約数列:

[1, 2, 4, 8, 41, 82, 149, 164, 298, 328, 419, 596, 838, 1192, 1676, 3352, 6109, 12218, 17179, 24436, 34358, 48872, 62431, 68716, 124862, 137432, 249724, 499448, 2559671, 5119342, 10238684, 20477368]

約数ペア:

[(1, 20477368), (2, 10238684), (4, 5119342), (8, 2559671), (41, 499448), (82, 249724), (149, 137432), (164, 124862), (298, 68716), (328, 62431), (419, 48872), (596, 34358), (838, 24436), (1192, 17179), (1676, 12218), (3352, 6109)]