20265742

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 37370880

約数和(自身を除く): 17105138

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1621, 1786, 3242, 6251, 11347, 12502, 22694, 30799, 61598, 76187, 152374, 215593, 431186, 533309, 1066618, 1447553, 2895106, 10132871, 20265742]

約数ペア:

[(1, 20265742), (2, 10132871), (7, 2895106), (14, 1447553), (19, 1066618), (38, 533309), (47, 431186), (94, 215593), (133, 152374), (266, 76187), (329, 61598), (658, 30799), (893, 22694), (1621, 12502), (1786, 11347), (3242, 6251)]