20642520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172021}}^1$

素因数の和:172035

約数の個数: 32

約数和(自身を含む): 61927920

約数和(自身を除く): 41285400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172021, 344042, 516063, 688084, 860105, 1032126, 1376168, 1720210, 2064252, 2580315, 3440420, 4128504, 5160630, 6880840, 10321260, 20642520]

約数ペア:

[(1, 20642520), (2, 10321260), (3, 6880840), (4, 5160630), (5, 4128504), (6, 3440420), (8, 2580315), (10, 2064252), (12, 1720210), (15, 1376168), (20, 1032126), (24, 860105), (30, 688084), (40, 516063), (60, 344042), (120, 172021)]