20790787725

素因数分解:

$3^3\times 5^2\times {\mathrm{563}}^1\times {\mathrm{54709}}^1$

素因数の和:55291

約数の個数: 48

約数和(自身を含む): 38261985600

約数和(自身を除く): 17471197875

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 563, 675, 1689, 2815, 5067, 8445, 14075, 15201, 25335, 42225, 54709, 76005, 126675, 164127, 273545, 380025, 492381, 820635, 1367725, 1477143, 2461905, 4103175, 7385715, 12309525, 30801167, 36928575, 92403501, 154005835, 277210503, 462017505, 770029175, 831631509, 1386052515, 2310087525, 4158157545, 6930262575, 20790787725]

約数ペア:

[(1, 20790787725), (3, 6930262575), (5, 4158157545), (9, 2310087525), (15, 1386052515), (25, 831631509), (27, 770029175), (45, 462017505), (75, 277210503), (135, 154005835), (225, 92403501), (563, 36928575), (675, 30801167), (1689, 12309525), (2815, 7385715), (5067, 4103175), (8445, 2461905), (14075, 1477143), (15201, 1367725), (25335, 820635), (42225, 492381), (54709, 380025), (76005, 273545), (126675, 164127)]