20860724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1151}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 17459404

約数列:

[1, 2, 4, 23, 46, 92, 197, 394, 788, 1151, 2302, 4531, 4604, 9062, 18124, 26473, 52946, 105892, 226747, 453494, 906988, 5215181, 10430362, 20860724]

約数ペア:

[(1, 20860724), (2, 10430362), (4, 5215181), (23, 906988), (46, 453494), (92, 226747), (197, 105892), (394, 52946), (788, 26473), (1151, 18124), (2302, 9062), (4531, 4604)]