20008798719

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10470329}}^1$

素因数の和:10470359

約数の個数: 24

約数和(自身を含む): 33421293360

約数和(自身を除く): 13412494641

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10470329, 31410987, 73292303, 136114277, 219876909, 408342831, 513046121, 952799939, 1539138363, 2858399817, 6669599573, 20008798719]

約数ペア:

[(1, 20008798719), (3, 6669599573), (7, 2858399817), (13, 1539138363), (21, 952799939), (39, 513046121), (49, 408342831), (91, 219876909), (147, 136114277), (273, 73292303), (637, 31410987), (1911, 10470329)]