20165963097

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7561291}}^1$

素因数の和:7561428

約数の個数: 16

約数和(自身を含む): 30971052032

約数和(自身を除く): 10805088935

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7561291, 22683873, 52929037, 158787111, 960283957, 2880851871, 6721987699, 20165963097]

約数ペア:

[(1, 20165963097), (3, 6721987699), (7, 2880851871), (21, 960283957), (127, 158787111), (381, 52929037), (889, 22683873), (2667, 7561291)]