20691408

素因数分解:

$2^4\times 3^1\times {\mathrm{503}}^1\times {\mathrm{857}}^1$

素因数の和:1371

約数の個数: 40

約数和(自身を含む): 53621568

約数和(自身を除く): 32930160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 503, 857, 1006, 1509, 1714, 2012, 2571, 3018, 3428, 4024, 5142, 6036, 6856, 8048, 10284, 12072, 13712, 20568, 24144, 41136, 431071, 862142, 1293213, 1724284, 2586426, 3448568, 5172852, 6897136, 10345704, 20691408]

約数ペア:

[(1, 20691408), (2, 10345704), (3, 6897136), (4, 5172852), (6, 3448568), (8, 2586426), (12, 1724284), (16, 1293213), (24, 862142), (48, 431071), (503, 41136), (857, 24144), (1006, 20568), (1509, 13712), (1714, 12072), (2012, 10284), (2571, 8048), (3018, 6856), (3428, 6036), (4024, 5142)]