20356947

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12705453

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 983, 1593, 2301, 2949, 6903, 8847, 12779, 20709, 26541, 38337, 57997, 115011, 173991, 345033, 521973, 753961, 1565919, 2261883, 6785649, 20356947]

約数ペア:

[(1, 20356947), (3, 6785649), (9, 2261883), (13, 1565919), (27, 753961), (39, 521973), (59, 345033), (117, 173991), (177, 115011), (351, 57997), (531, 38337), (767, 26541), (983, 20709), (1593, 12779), (2301, 8847), (2949, 6903)]