20118994

素因数分解:

$2^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2857}}^1$

素因数の和:3369

約数の個数: 16

約数和(自身を含む): 34570368

約数和(自身を除く): 14451374

約数列:

[1, 2, 7, 14, 503, 1006, 2857, 3521, 5714, 7042, 19999, 39998, 1437071, 2874142, 10059497, 20118994]

約数ペア:

[(1, 20118994), (2, 10059497), (7, 2874142), (14, 1437071), (503, 39998), (1006, 19999), (2857, 7042), (3521, 5714)]