20797738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11939}}^1$

素因数の和:12021

約数の個数: 16

約数和(自身を含む): 34100640

約数和(自身を除く): 13302902

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11939, 23878, 155207, 310414, 799913, 1599826, 10398869, 20797738]

約数ペア:

[(1, 20797738), (2, 10398869), (13, 1599826), (26, 799913), (67, 310414), (134, 155207), (871, 23878), (1742, 11939)]