20064460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77171}}^1$

素因数の和:77193

約数の個数: 24

約数和(自身を含む): 45377136

約数和(自身を除く): 25312676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77171, 154342, 308684, 385855, 771710, 1003223, 1543420, 2006446, 4012892, 5016115, 10032230, 20064460]

約数ペア:

[(1, 20064460), (2, 10032230), (4, 5016115), (5, 4012892), (10, 2006446), (13, 1543420), (20, 1003223), (26, 771710), (52, 385855), (65, 308684), (130, 154342), (260, 77171)]