20559540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342659}}^1$

素因数の和:342671

約数の個数: 24

約数和(自身を含む): 57566880

約数和(自身を除く): 37007340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342659, 685318, 1027977, 1370636, 1713295, 2055954, 3426590, 4111908, 5139885, 6853180, 10279770, 20559540]

約数ペア:

[(1, 20559540), (2, 10279770), (3, 6853180), (4, 5139885), (5, 4111908), (6, 3426590), (10, 2055954), (12, 1713295), (15, 1370636), (20, 1027977), (30, 685318), (60, 342659)]