20768308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2237}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 39854304

約数和(自身を除く): 19085996

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2237, 2321, 4474, 4642, 8948, 9284, 24607, 49214, 98428, 472007, 944014, 1888028, 5192077, 10384154, 20768308]

約数ペア:

[(1, 20768308), (2, 10384154), (4, 5192077), (11, 1888028), (22, 944014), (44, 472007), (211, 98428), (422, 49214), (844, 24607), (2237, 9284), (2321, 8948), (4474, 4642)]