20861091

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 12592989

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 967, 1269, 2397, 2901, 7191, 8703, 16439, 21573, 26109, 45449, 49317, 136347, 147951, 409041, 443853, 772633, 1227123, 2317899, 6953697, 20861091]

約数ペア:

[(1, 20861091), (3, 6953697), (9, 2317899), (17, 1227123), (27, 772633), (47, 443853), (51, 409041), (141, 147951), (153, 136347), (423, 49317), (459, 45449), (799, 26109), (967, 21573), (1269, 16439), (2397, 8703), (2901, 7191)]