20157495550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{17581}}^1$

素因数の和:18613

約数の個数: 48

約数和(自身を含む): 39164537952

約数和(自身を除く): 19007042402

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 997, 1150, 1994, 4985, 9970, 17581, 22931, 24925, 35162, 45862, 49850, 87905, 114655, 175810, 229310, 404363, 439525, 573275, 808726, 879050, 1146550, 2021815, 4043630, 10109075, 17528257, 20218150, 35056514, 87641285, 175282570, 403149911, 438206425, 806299822, 876412850, 2015749555, 4031499110, 10078747775, 20157495550]

約数ペア:

[(1, 20157495550), (2, 10078747775), (5, 4031499110), (10, 2015749555), (23, 876412850), (25, 806299822), (46, 438206425), (50, 403149911), (115, 175282570), (230, 87641285), (575, 35056514), (997, 20218150), (1150, 17528257), (1994, 10109075), (4985, 4043630), (9970, 2021815), (17581, 1146550), (22931, 879050), (24925, 808726), (35162, 573275), (45862, 439525), (49850, 404363), (87905, 229310), (114655, 175810)]