20517947520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1526633}}^1$

素因数の和:1526662

約数の個数: 128

約数和(自身を含む): 74744000640

約数和(自身を除く): 54226053120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 1526633, 3053266, 4579899, 6106532, 7633165, 9159798, 10686431, 12213064, 15266330, 18319596, 21372862, 22899495, 24426128, 30532660, 32059293, 36639192, 42745724, 45798990, 48852256, 53432155, 61065320, 64118586, 73278384, 85491448, 91597980, 97704512, 106864310, 122130640, 128237172, 146556768, 160296465, 170982896, 183195960, 195409024, 213728620, 244261280, 256474344, 293113536, 320592930, 341965792, 366391920, 427457240, 488522560, 512948688, 586227072, 641185860, 683931584, 732783840, 854914480, 977045120, 1025897376, 1282371720, 1367863168, 1465567680, 1709828960, 2051794752, 2564743440, 2931135360, 3419657920, 4103589504, 5129486880, 6839315840, 10258973760, 20517947520]

約数ペア:

[(1, 20517947520), (2, 10258973760), (3, 6839315840), (4, 5129486880), (5, 4103589504), (6, 3419657920), (7, 2931135360), (8, 2564743440), (10, 2051794752), (12, 1709828960), (14, 1465567680), (15, 1367863168), (16, 1282371720), (20, 1025897376), (21, 977045120), (24, 854914480), (28, 732783840), (30, 683931584), (32, 641185860), (35, 586227072), (40, 512948688), (42, 488522560), (48, 427457240), (56, 366391920), (60, 341965792), (64, 320592930), (70, 293113536), (80, 256474344), (84, 244261280), (96, 213728620), (105, 195409024), (112, 183195960), (120, 170982896), (128, 160296465), (140, 146556768), (160, 128237172), (168, 122130640), (192, 106864310), (210, 97704512), (224, 91597980), (240, 85491448), (280, 73278384), (320, 64118586), (336, 61065320), (384, 53432155), (420, 48852256), (448, 45798990), (480, 42745724), (560, 36639192), (640, 32059293), (672, 30532660), (840, 24426128), (896, 22899495), (960, 21372862), (1120, 18319596), (1344, 15266330), (1680, 12213064), (1920, 10686431), (2240, 9159798), (2688, 7633165), (3360, 6106532), (4480, 4579899), (6720, 3053266), (13440, 1526633)]