20198479273

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{141439}}^1$

素因数の和:142356

約数の個数: 16

約数和(自身を含む): 24114954240

約数和(自身を除く): 3916474967

約数列:

[1, 7, 23, 161, 887, 6209, 20401, 141439, 142807, 990073, 3253097, 22771679, 125456393, 878194751, 2885497039, 20198479273]

約数ペア:

[(1, 20198479273), (7, 2885497039), (23, 878194751), (161, 125456393), (887, 22771679), (6209, 3253097), (20401, 990073), (141439, 142807)]