20156004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 58024512

約数和(自身を除く): 37868508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2213, 2277, 3036, 4426, 4554, 6639, 8852, 9108, 13278, 19917, 24343, 26556, 39834, 48686, 50899, 73029, 79668, 97372, 101798, 146058, 152697, 203596, 219087, 292116, 305394, 438174, 458091, 559889, 610788, 876348, 916182, 1119778, 1679667, 1832364, 2239556, 3359334, 5039001, 6718668, 10078002, 20156004]

約数ペア:

[(1, 20156004), (2, 10078002), (3, 6718668), (4, 5039001), (6, 3359334), (9, 2239556), (11, 1832364), (12, 1679667), (18, 1119778), (22, 916182), (23, 876348), (33, 610788), (36, 559889), (44, 458091), (46, 438174), (66, 305394), (69, 292116), (92, 219087), (99, 203596), (132, 152697), (138, 146058), (198, 101798), (207, 97372), (253, 79668), (276, 73029), (396, 50899), (414, 48686), (506, 39834), (759, 26556), (828, 24343), (1012, 19917), (1518, 13278), (2213, 9108), (2277, 8852), (3036, 6639), (4426, 4554)]