20187661096

素因数分解:

$2^3\times {\mathrm{1607}}^1\times {\mathrm{1570291}}^1$

素因数の和:1571904

約数の個数: 16

約数和(自身を含む): 37875443040

約数和(自身を除く): 17687781944

約数列:

[1, 2, 4, 8, 1607, 3214, 6428, 12856, 1570291, 3140582, 6281164, 12562328, 2523457637, 5046915274, 10093830548, 20187661096]

約数ペア:

[(1, 20187661096), (2, 10093830548), (4, 5046915274), (8, 2523457637), (1607, 12562328), (3214, 6281164), (6428, 3140582), (12856, 1570291)]