20706588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 60383232

約数和(自身を除く): 39676644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 647, 762, 889, 1143, 1294, 1524, 1778, 1941, 2286, 2588, 2667, 3556, 3882, 4529, 4572, 5334, 5823, 7764, 8001, 9058, 10668, 11646, 13587, 16002, 18116, 23292, 27174, 32004, 40761, 54348, 81522, 82169, 163044, 164338, 246507, 328676, 493014, 575183, 739521, 986028, 1150366, 1479042, 1725549, 2300732, 2958084, 3451098, 5176647, 6902196, 10353294, 20706588]

約数ペア:

[(1, 20706588), (2, 10353294), (3, 6902196), (4, 5176647), (6, 3451098), (7, 2958084), (9, 2300732), (12, 1725549), (14, 1479042), (18, 1150366), (21, 986028), (28, 739521), (36, 575183), (42, 493014), (63, 328676), (84, 246507), (126, 164338), (127, 163044), (252, 82169), (254, 81522), (381, 54348), (508, 40761), (647, 32004), (762, 27174), (889, 23292), (1143, 18116), (1294, 16002), (1524, 13587), (1778, 11646), (1941, 10668), (2286, 9058), (2588, 8001), (2667, 7764), (3556, 5823), (3882, 5334), (4529, 4572)]