20175892142

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{193727}}^1$

素因数の和:193952

約数の個数: 32

約数和(自身を含む): 35596357632

約数和(自身を除く): 15420465490

約数列:

[1, 2, 7, 14, 43, 86, 173, 301, 346, 602, 1211, 2422, 7439, 14878, 52073, 104146, 193727, 387454, 1356089, 2712178, 8330261, 16660522, 33514771, 58311827, 67029542, 116623654, 234603397, 469206794, 1441135153, 2882270306, 10087946071, 20175892142]

約数ペア:

[(1, 20175892142), (2, 10087946071), (7, 2882270306), (14, 1441135153), (43, 469206794), (86, 234603397), (173, 116623654), (301, 67029542), (346, 58311827), (602, 33514771), (1211, 16660522), (2422, 8330261), (7439, 2712178), (14878, 1356089), (52073, 387454), (104146, 193727)]