20474820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113749}}^1$

素因数の和:113764

約数の個数: 36

約数和(自身を含む): 62107500

約数和(自身を除く): 41632680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113749, 227498, 341247, 454996, 568745, 682494, 1023741, 1137490, 1364988, 1706235, 2047482, 2274980, 3412470, 4094964, 5118705, 6824940, 10237410, 20474820]

約数ペア:

[(1, 20474820), (2, 10237410), (3, 6824940), (4, 5118705), (5, 4094964), (6, 3412470), (9, 2274980), (10, 2047482), (12, 1706235), (15, 1364988), (18, 1137490), (20, 1023741), (30, 682494), (36, 568745), (45, 454996), (60, 341247), (90, 227498), (180, 113749)]