20915786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{15679}}^1$

素因数の和:15733

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12953014

約数列:

[1, 2, 23, 29, 46, 58, 667, 1334, 15679, 31358, 360617, 454691, 721234, 909382, 10457893, 20915786]

約数ペア:

[(1, 20915786), (2, 10457893), (23, 909382), (29, 721234), (46, 454691), (58, 360617), (667, 31358), (1334, 15679)]