20724065

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 26078976

約数和(自身を除く): 5354911

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2351, 8815, 11755, 96391, 101093, 481955, 505465, 4144813, 20724065]

約数ペア:

[(1, 20724065), (5, 4144813), (41, 505465), (43, 481955), (205, 101093), (215, 96391), (1763, 11755), (2351, 8815)]