20520840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{171007}}^1$

素因数の和:171021

約数の個数: 32

約数和(自身を含む): 61562880

約数和(自身を除く): 41042040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 171007, 342014, 513021, 684028, 855035, 1026042, 1368056, 1710070, 2052084, 2565105, 3420140, 4104168, 5130210, 6840280, 10260420, 20520840]

約数ペア:

[(1, 20520840), (2, 10260420), (3, 6840280), (4, 5130210), (5, 4104168), (6, 3420140), (8, 2565105), (10, 2052084), (12, 1710070), (15, 1368056), (20, 1026042), (24, 855035), (30, 684028), (40, 513021), (60, 342014), (120, 171007)]