20291336104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1\times {\mathrm{2837}}^1$

素因数の和:3662

約数の個数: 64

約数和(自身を含む): 41468288400

約数和(自身を除く): 21176952296

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 709, 776, 1261, 1418, 2522, 2836, 2837, 5044, 5672, 5674, 9217, 10088, 11348, 18434, 22696, 36868, 36881, 68773, 73736, 73762, 137546, 147524, 275092, 275189, 295048, 550184, 550378, 894049, 1100756, 1788098, 2011433, 2201512, 3576196, 3577457, 4022866, 7152392, 7154914, 8045732, 14309828, 16091464, 26148629, 28619656, 52297258, 104594516, 195109001, 209189032, 390218002, 780436004, 1560872008, 2536417013, 5072834026, 10145668052, 20291336104]

約数ペア:

[(1, 20291336104), (2, 10145668052), (4, 5072834026), (8, 2536417013), (13, 1560872008), (26, 780436004), (52, 390218002), (97, 209189032), (104, 195109001), (194, 104594516), (388, 52297258), (709, 28619656), (776, 26148629), (1261, 16091464), (1418, 14309828), (2522, 8045732), (2836, 7154914), (2837, 7152392), (5044, 4022866), (5672, 3577457), (5674, 3576196), (9217, 2201512), (10088, 2011433), (11348, 1788098), (18434, 1100756), (22696, 894049), (36868, 550378), (36881, 550184), (68773, 295048), (73736, 275189), (73762, 275092), (137546, 147524)]