20907414

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4591}}^1$

素因数の和:4633

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 30669930

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 207, 253, 414, 506, 759, 1518, 2277, 4554, 4591, 9182, 13773, 27546, 41319, 50501, 82638, 101002, 105593, 151503, 211186, 303006, 316779, 454509, 633558, 909018, 950337, 1161523, 1900674, 2323046, 3484569, 6969138, 10453707, 20907414]

約数ペア:

[(1, 20907414), (2, 10453707), (3, 6969138), (6, 3484569), (9, 2323046), (11, 1900674), (18, 1161523), (22, 950337), (23, 909018), (33, 633558), (46, 454509), (66, 316779), (69, 303006), (99, 211186), (138, 151503), (198, 105593), (207, 101002), (253, 82638), (414, 50501), (506, 41319), (759, 27546), (1518, 13773), (2277, 9182), (4554, 4591)]