20447762

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 32772096

約数和(自身を除く): 12324334

約数列:

[1, 2, 19, 38, 127, 223, 254, 361, 446, 722, 2413, 4237, 4826, 8474, 28321, 45847, 56642, 80503, 91694, 161006, 538099, 1076198, 10223881, 20447762]

約数ペア:

[(1, 20447762), (2, 10223881), (19, 1076198), (38, 538099), (127, 161006), (223, 91694), (254, 80503), (361, 56642), (446, 45847), (722, 28321), (2413, 8474), (4237, 4826)]