20931033

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 7796967

約数列:

[1, 3, 41, 123, 379, 449, 1137, 1347, 15539, 18409, 46617, 55227, 170171, 510513, 6977011, 20931033]

約数ペア:

[(1, 20931033), (3, 6977011), (41, 510513), (123, 170171), (379, 55227), (449, 46617), (1137, 18409), (1347, 15539)]