20161621218

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{994457}}^1$

素因数の和:994602

約数の個数: 32

約数和(自身を含む): 42005905920

約数和(自身を除く): 21844284702

約数列:

[1, 2, 3, 6, 31, 62, 93, 109, 186, 218, 327, 654, 3379, 6758, 10137, 20274, 994457, 1988914, 2983371, 5966742, 30828167, 61656334, 92484501, 108395813, 184969002, 216791626, 325187439, 650374878, 3360270203, 6720540406, 10080810609, 20161621218]

約数ペア:

[(1, 20161621218), (2, 10080810609), (3, 6720540406), (6, 3360270203), (31, 650374878), (62, 325187439), (93, 216791626), (109, 184969002), (186, 108395813), (218, 92484501), (327, 61656334), (654, 30828167), (3379, 5966742), (6758, 2983371), (10137, 1988914), (20274, 994457)]