20729289

素因数分解:

$3^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{1049}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 31651200

約数和(自身を除く): 10921911

約数列:

[1, 3, 7, 21, 941, 1049, 2823, 3147, 6587, 7343, 19761, 22029, 987109, 2961327, 6909763, 20729289]

約数ペア:

[(1, 20729289), (3, 6909763), (7, 2961327), (21, 987109), (941, 22029), (1049, 19761), (2823, 7343), (3147, 6587)]