20854792168

素因数分解:

$2^3\times 7^1\times {\mathrm{37507}}^1\times {\mathrm{9929}}^1$

素因数の和:47449

約数の個数: 32

約数和(自身を含む): 44694532800

約数和(自身を除く): 23839740632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 9929, 19858, 37507, 39716, 69503, 75014, 79432, 139006, 150028, 262549, 278012, 300056, 525098, 556024, 1050196, 2100392, 372407003, 744814006, 1489628012, 2606849021, 2979256024, 5213698042, 10427396084, 20854792168]

約数ペア:

[(1, 20854792168), (2, 10427396084), (4, 5213698042), (7, 2979256024), (8, 2606849021), (14, 1489628012), (28, 744814006), (56, 372407003), (9929, 2100392), (19858, 1050196), (37507, 556024), (39716, 525098), (69503, 300056), (75014, 278012), (79432, 262549), (139006, 150028)]