20147443408

素因数分解:

$2^4\times {\mathrm{1559}}^1\times {\mathrm{807707}}^1$

素因数の和:809274

約数の個数: 20

約数和(自身を含む): 39060758880

約数和(自身を除く): 18913315472

約数列:

[1, 2, 4, 8, 16, 1559, 3118, 6236, 12472, 24944, 807707, 1615414, 3230828, 6461656, 12923312, 1259215213, 2518430426, 5036860852, 10073721704, 20147443408]

約数ペア:

[(1, 20147443408), (2, 10073721704), (4, 5036860852), (8, 2518430426), (16, 1259215213), (1559, 12923312), (3118, 6461656), (6236, 3230828), (12472, 1615414), (24944, 807707)]