20936820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9431}}^1$

素因数の和:9480

約数の個数: 48

約数和(自身を含む): 60213888

約数和(自身を除く): 39277068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9431, 18862, 28293, 37724, 47155, 56586, 94310, 113172, 141465, 188620, 282930, 348947, 565860, 697894, 1046841, 1395788, 1744735, 2093682, 3489470, 4187364, 5234205, 6978940, 10468410, 20936820]

約数ペア:

[(1, 20936820), (2, 10468410), (3, 6978940), (4, 5234205), (5, 4187364), (6, 3489470), (10, 2093682), (12, 1744735), (15, 1395788), (20, 1046841), (30, 697894), (37, 565860), (60, 348947), (74, 282930), (111, 188620), (148, 141465), (185, 113172), (222, 94310), (370, 56586), (444, 47155), (555, 37724), (740, 28293), (1110, 18862), (2220, 9431)]