20177362779

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15751259}}^1$

素因数の和:15751330

約数の個数: 16

約数和(自身を含む): 31250499840

約数和(自身を除く): 11073137061

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15751259, 47253777, 110258813, 330776439, 960826799, 2882480397, 6725787593, 20177362779]

約数ペア:

[(1, 20177362779), (3, 6725787593), (7, 2882480397), (21, 960826799), (61, 330776439), (183, 110258813), (427, 47253777), (1281, 15751259)]