20831132

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 22778980

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 103, 124, 206, 217, 233, 412, 434, 466, 721, 868, 932, 1442, 1631, 2884, 3193, 3262, 6386, 6524, 7223, 12772, 14446, 22351, 23999, 28892, 44702, 47998, 50561, 89404, 95996, 101122, 167993, 202244, 335986, 671972, 743969, 1487938, 2975876, 5207783, 10415566, 20831132]

約数ペア:

[(1, 20831132), (2, 10415566), (4, 5207783), (7, 2975876), (14, 1487938), (28, 743969), (31, 671972), (62, 335986), (103, 202244), (124, 167993), (206, 101122), (217, 95996), (233, 89404), (412, 50561), (434, 47998), (466, 44702), (721, 28892), (868, 23999), (932, 22351), (1442, 14446), (1631, 12772), (2884, 7223), (3193, 6524), (3262, 6386)]