20556420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342607}}^1$

素因数の和:342619

約数の個数: 24

約数和(自身を含む): 57558144

約数和(自身を除く): 37001724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342607, 685214, 1027821, 1370428, 1713035, 2055642, 3426070, 4111284, 5139105, 6852140, 10278210, 20556420]

約数ペア:

[(1, 20556420), (2, 10278210), (3, 6852140), (4, 5139105), (5, 4111284), (6, 3426070), (10, 2055642), (12, 1713035), (15, 1370428), (20, 1027821), (30, 685214), (60, 342607)]