20448164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3119}}^1$

素因数の和:3283

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 18863836

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3119, 3278, 6238, 6556, 12476, 34309, 68618, 137236, 464731, 929462, 1858924, 5112041, 10224082, 20448164]

約数ペア:

[(1, 20448164), (2, 10224082), (4, 5112041), (11, 1858924), (22, 929462), (44, 464731), (149, 137236), (298, 68618), (596, 34309), (1639, 12476), (3119, 6556), (3278, 6238)]