20178222

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 42709248

約数和(自身を除く): 22531026

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 138, 146, 219, 438, 1679, 2003, 3358, 4006, 5037, 6009, 10074, 12018, 46069, 92138, 138207, 146219, 276414, 292438, 438657, 877314, 3363037, 6726074, 10089111, 20178222]

約数ペア:

[(1, 20178222), (2, 10089111), (3, 6726074), (6, 3363037), (23, 877314), (46, 438657), (69, 292438), (73, 276414), (138, 146219), (146, 138207), (219, 92138), (438, 46069), (1679, 12018), (2003, 10074), (3358, 6009), (4006, 5037)]