20656254

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 44871552

約数和(自身を除く): 24215298

約数列:

[1, 2, 3, 6, 23, 43, 46, 59, 69, 86, 118, 129, 138, 177, 258, 354, 989, 1357, 1978, 2537, 2714, 2967, 3481, 4071, 5074, 5934, 6962, 7611, 8142, 10443, 15222, 20886, 58351, 80063, 116702, 149683, 160126, 175053, 240189, 299366, 350106, 449049, 480378, 898098, 3442709, 6885418, 10328127, 20656254]

約数ペア:

[(1, 20656254), (2, 10328127), (3, 6885418), (6, 3442709), (23, 898098), (43, 480378), (46, 449049), (59, 350106), (69, 299366), (86, 240189), (118, 175053), (129, 160126), (138, 149683), (177, 116702), (258, 80063), (354, 58351), (989, 20886), (1357, 15222), (1978, 10443), (2537, 8142), (2714, 7611), (2967, 6962), (3481, 5934), (4071, 5074)]