20827788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 54070128

約数和(自身を除く): 33242340

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 193, 204, 276, 386, 391, 529, 579, 772, 782, 1058, 1158, 1173, 1564, 1587, 2116, 2316, 2346, 3174, 3281, 4439, 4692, 6348, 6562, 8878, 8993, 9843, 13124, 13317, 17756, 17986, 19686, 26634, 26979, 35972, 39372, 53268, 53958, 75463, 102097, 107916, 150926, 204194, 226389, 301852, 306291, 408388, 452778, 612582, 905556, 1225164, 1735649, 3471298, 5206947, 6942596, 10413894, 20827788]

約数ペア:

[(1, 20827788), (2, 10413894), (3, 6942596), (4, 5206947), (6, 3471298), (12, 1735649), (17, 1225164), (23, 905556), (34, 612582), (46, 452778), (51, 408388), (68, 306291), (69, 301852), (92, 226389), (102, 204194), (138, 150926), (193, 107916), (204, 102097), (276, 75463), (386, 53958), (391, 53268), (529, 39372), (579, 35972), (772, 26979), (782, 26634), (1058, 19686), (1158, 17986), (1173, 17756), (1564, 13317), (1587, 13124), (2116, 9843), (2316, 8993), (2346, 8878), (3174, 6562), (3281, 6348), (4439, 4692)]