20187059178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{635893}}^1$

素因数の和:635959

約数の個数: 64

約数和(自身を含む): 48714567552

約数和(自身を除く): 28527508374

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 814, 858, 962, 1221, 1443, 2442, 2886, 5291, 10582, 15873, 31746, 635893, 1271786, 1907679, 3815358, 6994823, 8266609, 13989646, 16533218, 20984469, 23528041, 24799827, 41968938, 47056082, 49599654, 70584123, 90932699, 141168246, 181865398, 258808451, 272798097, 305864533, 517616902, 545596194, 611729066, 776425353, 917593599, 1552850706, 1835187198, 3364509863, 6729019726, 10093529589, 20187059178]

約数ペア:

[(1, 20187059178), (2, 10093529589), (3, 6729019726), (6, 3364509863), (11, 1835187198), (13, 1552850706), (22, 917593599), (26, 776425353), (33, 611729066), (37, 545596194), (39, 517616902), (66, 305864533), (74, 272798097), (78, 258808451), (111, 181865398), (143, 141168246), (222, 90932699), (286, 70584123), (407, 49599654), (429, 47056082), (481, 41968938), (814, 24799827), (858, 23528041), (962, 20984469), (1221, 16533218), (1443, 13989646), (2442, 8266609), (2886, 6994823), (5291, 3815358), (10582, 1907679), (15873, 1271786), (31746, 635893)]