20529908

素因数分解:

$2^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2113}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 41197632

約数和(自身を除く): 20667724

約数列:

[1, 2, 4, 7, 14, 28, 347, 694, 1388, 2113, 2429, 4226, 4858, 8452, 9716, 14791, 29582, 59164, 733211, 1466422, 2932844, 5132477, 10264954, 20529908]

約数ペア:

[(1, 20529908), (2, 10264954), (4, 5132477), (7, 2932844), (14, 1466422), (28, 733211), (347, 59164), (694, 29582), (1388, 14791), (2113, 9716), (2429, 8452), (4226, 4858)]