20920688

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35339}}^1$

素因数の和:35384

約数の個数: 20

約数和(自身を含む): 41630520

約数和(自身を除く): 20709832

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35339, 70678, 141356, 282712, 565424, 1307543, 2615086, 5230172, 10460344, 20920688]

約数ペア:

[(1, 20920688), (2, 10460344), (4, 5230172), (8, 2615086), (16, 1307543), (37, 565424), (74, 282712), (148, 141356), (296, 70678), (592, 35339)]