20109007947

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1\times {\mathrm{6983}}^1$

素因数の和:7803

約数の個数: 32

約数和(自身を含む): 30827934720

約数和(自身を除く): 10718926773

約数列:

[1, 3, 7, 21, 241, 569, 723, 1687, 1707, 3983, 5061, 6983, 11949, 20949, 48881, 137129, 146643, 411387, 959903, 1682903, 2879709, 3973327, 5048709, 11780321, 11919981, 27813289, 35340963, 83439867, 957571807, 2872715421, 6703002649, 20109007947]

約数ペア:

[(1, 20109007947), (3, 6703002649), (7, 2872715421), (21, 957571807), (241, 83439867), (569, 35340963), (723, 27813289), (1687, 11919981), (1707, 11780321), (3983, 5048709), (5061, 3973327), (6983, 2879709), (11949, 1682903), (20949, 959903), (48881, 411387), (137129, 146643)]