20239384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 44634240

約数和(自身を除く): 24394856

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 83, 88, 136, 163, 166, 187, 326, 332, 374, 652, 664, 748, 913, 1304, 1411, 1496, 1793, 1826, 2771, 2822, 3586, 3652, 5542, 5644, 7172, 7304, 11084, 11288, 13529, 14344, 15521, 22168, 27058, 30481, 31042, 54116, 60962, 62084, 108232, 121924, 124168, 148819, 229993, 243848, 297638, 459986, 595276, 919972, 1190552, 1839944, 2529923, 5059846, 10119692, 20239384]

約数ペア:

[(1, 20239384), (2, 10119692), (4, 5059846), (8, 2529923), (11, 1839944), (17, 1190552), (22, 919972), (34, 595276), (44, 459986), (68, 297638), (83, 243848), (88, 229993), (136, 148819), (163, 124168), (166, 121924), (187, 108232), (326, 62084), (332, 60962), (374, 54116), (652, 31042), (664, 30481), (748, 27058), (913, 22168), (1304, 15521), (1411, 14344), (1496, 13529), (1793, 11288), (1826, 11084), (2771, 7304), (2822, 7172), (3586, 5644), (3652, 5542)]