20178962824

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{3121}}^1\times {\mathrm{11383}}^1$

素因数の和:14581

約数の個数: 32

約数和(自身を含む): 38384115840

約数和(自身を除く): 18205153016

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 3121, 6242, 11383, 12484, 22766, 24968, 45532, 91064, 221591, 443182, 808193, 886364, 1616386, 1772728, 3232772, 6465544, 35526343, 71052686, 142105372, 284210744, 2522370353, 5044740706, 10089481412, 20178962824]

約数ペア:

[(1, 20178962824), (2, 10089481412), (4, 5044740706), (8, 2522370353), (71, 284210744), (142, 142105372), (284, 71052686), (568, 35526343), (3121, 6465544), (6242, 3232772), (11383, 1772728), (12484, 1616386), (22766, 886364), (24968, 808193), (45532, 443182), (91064, 221591)]