20699218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4639}}^1$

素因数の和:4761

約数の個数: 16

約数和(自身を含む): 32739840

約数和(自身を除く): 12040622

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4639, 9278, 106697, 213394, 449983, 899966, 10349609, 20699218]

約数ペア:

[(1, 20699218), (2, 10349609), (23, 899966), (46, 449983), (97, 213394), (194, 106697), (2231, 9278), (4462, 4639)]