20128724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65353}}^1$

素因数の和:65375

約数の個数: 24

約数和(自身を含む): 43917888

約数和(自身を除く): 23789164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65353, 130706, 261412, 457471, 718883, 914942, 1437766, 1829884, 2875532, 5032181, 10064362, 20128724]

約数ペア:

[(1, 20128724), (2, 10064362), (4, 5032181), (7, 2875532), (11, 1829884), (14, 1437766), (22, 914942), (28, 718883), (44, 457471), (77, 261412), (154, 130706), (308, 65353)]