20443180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60127}}^1$

素因数の和:60153

約数の個数: 24

約数和(自身を含む): 45456768

約数和(自身を除く): 25013588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60127, 120254, 240508, 300635, 601270, 1022159, 1202540, 2044318, 4088636, 5110795, 10221590, 20443180]

約数ペア:

[(1, 20443180), (2, 10221590), (4, 5110795), (5, 4088636), (10, 2044318), (17, 1202540), (20, 1022159), (34, 601270), (68, 300635), (85, 240508), (170, 120254), (340, 60127)]