20187399736

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{68443}}^1$

素因数の和:68708

約数の個数: 64

約数和(自身を含む): 45337305600

約数和(自身を除く): 25149905864

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 229, 322, 458, 644, 916, 1288, 1603, 1832, 3206, 5267, 6412, 10534, 12824, 21068, 36869, 42136, 68443, 73738, 136886, 147476, 273772, 294952, 479101, 547544, 958202, 1574189, 1916404, 3148378, 3832808, 6296756, 11019323, 12593512, 15673447, 22038646, 31346894, 44077292, 62693788, 88154584, 109714129, 125387576, 219428258, 360489281, 438856516, 720978562, 877713032, 1441957124, 2523424967, 2883914248, 5046849934, 10093699868, 20187399736]

約数ペア:

[(1, 20187399736), (2, 10093699868), (4, 5046849934), (7, 2883914248), (8, 2523424967), (14, 1441957124), (23, 877713032), (28, 720978562), (46, 438856516), (56, 360489281), (92, 219428258), (161, 125387576), (184, 109714129), (229, 88154584), (322, 62693788), (458, 44077292), (644, 31346894), (916, 22038646), (1288, 15673447), (1603, 12593512), (1832, 11019323), (3206, 6296756), (5267, 3832808), (6412, 3148378), (10534, 1916404), (12824, 1574189), (21068, 958202), (36869, 547544), (42136, 479101), (68443, 294952), (73738, 273772), (136886, 147476)]