20051252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5431}}^1$

素因数の和:5519

約数の個数: 24

約数和(自身を含む): 38328192

約数和(自身を除く): 18276940

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5431, 10862, 21724, 70603, 141206, 282412, 385601, 771202, 1542404, 5012813, 10025626, 20051252]

約数ペア:

[(1, 20051252), (2, 10025626), (4, 5012813), (13, 1542404), (26, 771202), (52, 385601), (71, 282412), (142, 141206), (284, 70603), (923, 21724), (1846, 10862), (3692, 5431)]