20904331408

素因数分解:

$2^4\times {\mathrm{1373}}^1\times {\mathrm{951581}}^1$

素因数の和:952962

約数の個数: 20

約数和(自身を含む): 40531683708

約数和(自身を除く): 19627352300

約数列:

[1, 2, 4, 8, 16, 1373, 2746, 5492, 10984, 21968, 951581, 1903162, 3806324, 7612648, 15225296, 1306520713, 2613041426, 5226082852, 10452165704, 20904331408]

約数ペア:

[(1, 20904331408), (2, 10452165704), (4, 5226082852), (8, 2613041426), (16, 1306520713), (1373, 15225296), (2746, 7612648), (5492, 3806324), (10984, 1903162), (21968, 951581)]