20002383

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 32321520

約数和(自身を除く): 12319137

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 317, 369, 513, 779, 951, 1107, 1539, 2337, 2853, 3321, 6023, 7011, 8559, 12997, 18069, 21033, 25677, 38991, 54207, 63099, 116973, 162621, 246943, 350919, 487863, 740829, 1052757, 2222487, 6667461, 20002383]

約数ペア:

[(1, 20002383), (3, 6667461), (9, 2222487), (19, 1052757), (27, 740829), (41, 487863), (57, 350919), (81, 246943), (123, 162621), (171, 116973), (317, 63099), (369, 54207), (513, 38991), (779, 25677), (951, 21033), (1107, 18069), (1539, 12997), (2337, 8559), (2853, 7011), (3321, 6023)]