20379993

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2473}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 28262976

約数和(自身を除く): 7882983

約数列:

[1, 3, 41, 67, 123, 201, 2473, 2747, 7419, 8241, 101393, 165691, 304179, 497073, 6793331, 20379993]

約数ペア:

[(1, 20379993), (3, 6793331), (41, 497073), (67, 304179), (123, 165691), (201, 101393), (2473, 8241), (2747, 7419)]