20474790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97499}}^1$

素因数の和:97516

約数の個数: 32

約数和(自身を含む): 56160000

約数和(自身を除く): 35685210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97499, 194998, 292497, 487495, 584994, 682493, 974990, 1364986, 1462485, 2047479, 2924970, 3412465, 4094958, 6824930, 10237395, 20474790]

約数ペア:

[(1, 20474790), (2, 10237395), (3, 6824930), (5, 4094958), (6, 3412465), (7, 2924970), (10, 2047479), (14, 1462485), (15, 1364986), (21, 974990), (30, 682493), (35, 584994), (42, 487495), (70, 292497), (105, 194998), (210, 97499)]