20163708416

素因数分解:

$2^9\times {\mathrm{647}}^1\times {\mathrm{60869}}^1$

素因数の和:61534

約数の個数: 40

約数和(自身を含む): 40350966480

約数和(自身を除く): 20187258064

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 647, 1294, 2588, 5176, 10352, 20704, 41408, 60869, 82816, 121738, 165632, 243476, 331264, 486952, 973904, 1947808, 3895616, 7791232, 15582464, 31164928, 39382243, 78764486, 157528972, 315057944, 630115888, 1260231776, 2520463552, 5040927104, 10081854208, 20163708416]

約数ペア:

[(1, 20163708416), (2, 10081854208), (4, 5040927104), (8, 2520463552), (16, 1260231776), (32, 630115888), (64, 315057944), (128, 157528972), (256, 78764486), (512, 39382243), (647, 31164928), (1294, 15582464), (2588, 7791232), (5176, 3895616), (10352, 1947808), (20704, 973904), (41408, 486952), (60869, 331264), (82816, 243476), (121738, 165632)]