20090490045

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 33227145216

約数和(自身を除く): 13136655171

約数列:

[1, 3, 5, 15, 47, 127, 141, 235, 381, 457, 491, 635, 705, 1371, 1473, 1905, 2285, 2455, 5969, 6855, 7365, 17907, 21479, 23077, 29845, 58039, 62357, 64437, 69231, 89535, 107395, 115385, 174117, 187071, 224387, 290195, 311785, 322185, 346155, 673161, 870585, 935355, 1121935, 2727833, 2930779, 3365805, 8183499, 8792337, 10546189, 13639165, 14653895, 28497149, 31638567, 40917495, 43961685, 52730945, 85491447, 142485745, 158192835, 427457235, 1339366003, 4018098009, 6696830015, 20090490045]

約数ペア:

[(1, 20090490045), (3, 6696830015), (5, 4018098009), (15, 1339366003), (47, 427457235), (127, 158192835), (141, 142485745), (235, 85491447), (381, 52730945), (457, 43961685), (491, 40917495), (635, 31638567), (705, 28497149), (1371, 14653895), (1473, 13639165), (1905, 10546189), (2285, 8792337), (2455, 8183499), (5969, 3365805), (6855, 2930779), (7365, 2727833), (17907, 1121935), (21479, 935355), (23077, 870585), (29845, 673161), (58039, 346155), (62357, 322185), (64437, 311785), (69231, 290195), (89535, 224387), (107395, 187071), (115385, 174117)]