20757822

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22787778

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 349, 431, 698, 862, 1047, 1293, 2094, 2586, 8027, 9913, 16054, 19826, 24081, 29739, 48162, 59478, 150419, 300838, 451257, 902514, 3459637, 6919274, 10378911, 20757822]

約数ペア:

[(1, 20757822), (2, 10378911), (3, 6919274), (6, 3459637), (23, 902514), (46, 451257), (69, 300838), (138, 150419), (349, 59478), (431, 48162), (698, 29739), (862, 24081), (1047, 19826), (1293, 16054), (2094, 9913), (2586, 8027)]