20137757031

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{329873}}^1$

素因数の和:329925

約数の個数: 64

約数和(自身を含む): 38001484800

約数和(自身を除く): 17863727769

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 119, 133, 153, 171, 189, 323, 357, 399, 459, 513, 969, 1071, 1197, 2261, 2907, 3213, 3591, 6783, 8721, 20349, 61047, 329873, 989619, 2309111, 2968857, 5607841, 6267587, 6927333, 8906571, 16823523, 18802761, 20781999, 39254887, 43873109, 50470569, 56408283, 62345997, 106548979, 117764661, 131619327, 151411707, 169224849, 319646937, 353293983, 394857981, 745842853, 958940811, 1059881949, 1184573943, 2237528559, 2876822433, 6712585677, 20137757031]

約数ペア:

[(1, 20137757031), (3, 6712585677), (7, 2876822433), (9, 2237528559), (17, 1184573943), (19, 1059881949), (21, 958940811), (27, 745842853), (51, 394857981), (57, 353293983), (63, 319646937), (119, 169224849), (133, 151411707), (153, 131619327), (171, 117764661), (189, 106548979), (323, 62345997), (357, 56408283), (399, 50470569), (459, 43873109), (513, 39254887), (969, 20781999), (1071, 18802761), (1197, 16823523), (2261, 8906571), (2907, 6927333), (3213, 6267587), (3591, 5607841), (6783, 2968857), (8721, 2309111), (20349, 989619), (61047, 329873)]