20147401880

素因数分解:

$2^3\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{248243}}^1$

素因数の和:250283

約数の個数: 32

約数和(自身を含む): 45354178800

約数和(自身を除く): 25206776920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2029, 4058, 8116, 10145, 16232, 20290, 40580, 81160, 248243, 496486, 992972, 1241215, 1985944, 2482430, 4964860, 9929720, 503685047, 1007370094, 2014740188, 2518425235, 4029480376, 5036850470, 10073700940, 20147401880]

約数ペア:

[(1, 20147401880), (2, 10073700940), (4, 5036850470), (5, 4029480376), (8, 2518425235), (10, 2014740188), (20, 1007370094), (40, 503685047), (2029, 9929720), (4058, 4964860), (8116, 2482430), (10145, 1985944), (16232, 1241215), (20290, 992972), (40580, 496486), (81160, 248243)]