20511814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4597}}^1$

素因数の和:4719

約数の個数: 16

約数和(自身を含む): 32443488

約数和(自身を除く): 11931674

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4597, 9194, 105731, 211462, 445909, 891818, 10255907, 20511814]

約数ペア:

[(1, 20511814), (2, 10255907), (23, 891818), (46, 445909), (97, 211462), (194, 105731), (2231, 9194), (4462, 4597)]